1、第一部分 必修四 Unit 2.单句语法填空 导 学 号 424923771Its our hope that we will play a greater role in the market place and_therefore_， supply more jobs.解析： 考查副词。句意：我 们希望我们会在工作市场上起更大的作用，因此提供更多的工作。2The climate here is quite pleasant, the temperature rarely, if _ever_， reaching 30 in summer.解析：本题考查省略句。句意： 这里的气候宜人， _，
2、在夏季气温极少达到 30 摄氏度。if ever 如果曾经有；如果曾经发生。根据句中的关键词 quite pleasant(宜人)，rarely( 极少) 可知，空格处表达的意思是“如果曾 经有(if ever)”。if ever 相当于 if it(the temperature) ever reached 30 in summer 。3We would rather our daughter _stayed_(stay) at home with us, but it is her choice, and she is not a child any longer.解析：本题考查虚拟语气。
3、句意：我 们宁愿我们的女儿和我 们一起待在家里，但是那是她的选择，她已经不再是一个小孩子了。would rather 后接 that 从句时，要用虚 拟语气，如果与现在或将来事实相反，从句用一般 过去时态；如果与过去事实 相反，从句用 过去完成时。根据后面的 it is her choice 可以判断这件事情还没发生，因而从句用一般过去时。4Bears build_up_ fat stores throughout the summer and fall to have energy enough to last them through their winter sleep.解析：句意：狗熊
4、在夏天和秋天开始脂肪的储存以使他们有足够的能量来度过冬眠。5It sounds like something is wrong with the cars engine.If _so_， wed better take it to the garage immediately.解析：本题考查省略。句意：听起来好像是 车的发动机出毛病了。如果这样的话，我们最好立刻把它带到修车厂去。if so“如果这样的话” 。6. The news shocked the public，_leading_(lead) to great concern about students safety at schoo
5、l.解析：本题考查非谓语动词。根据本句的 结构来看，引起的关注正是这条消息令公众震惊的同时所引起的结果，即结 果状语，而作 结果状语，且表达主动意义。句意：这条消息令社会震惊，引起了人们对在校学生安全的极大关注。7Cathy, what are you going to do this weekend?_If_possible, Im going to see my parents in the countryside.解析：答语句意：如果可能的话，我要去看望 乡下的父母。if possible 如果可能的话。8At first I regretted _inviting_(invite) t
6、hem to stay, but we soon became great friends.解析：考查非谓语动词。句意：起初，我后悔邀请他们留下来，但是我们很快成为了朋友。regret doing 后悔做了某事。9I had a busy and tiring weekend because _decorating_(decorate) the house for the Christmas cost me a whole day.解析：考查动名词作主语。句意：我 这个周末过的很忙很累，因为装饰圣诞房子花了我一整天。because 引 导原因状语从句，从句中的 cost 是谓语，前面是主语，用
7、动名词作主语。10Wouldnt you rather your child_became_(become) successful with his study and on the scholarship?解析：考查虚拟语气的用法。句意： 难道你不想让你的孩子在学 业上成功， 获得奖学金吗？would rather 后面的从句用虚拟语气，即用 动词的过去式形式。11New technologies have made _it_ possible to turn out new products faster and at a lower cost.解析：考查代词。句意：新的技 术已经让以更低
8、的成本更快地生 产出新的产品成为可能。根据句意可知，it 在句中作形式 宾语，真正的宾语是后面的不定式。12To get a slim figure, Fanny has tried many ways, but in vain.So now she is reduced to not _eating_(eat) anything for supper.解析：句意：为了有一个苗条的体形，范妮 尝试了许多方法，但都徒劳。因此现在她被迫晚饭什么都不吃。be reduced to doing sth.沦落到做某事，陷入的境地。13The United Nations is trying to fre
9、e the world _from/of_ the threat of war.解析：free.from/of.使免于。14His contribution to the boys welfare was to equip him _for_ the world in which he would live.解析：句意：他对孩子福利事业的贡献是为了让自己有能力适应他将生活的这个世界。equip.for.为装备。15An average of just 18.75cm of rain fell last year, making _it_ the driest year since Califo
10、rnia became a state in 1850.解析：本题考查代词。句意：去年平均降了 18.75 厘米的雨，使其成为自 1850 年加利福尼亚成为州以来最干旱的一年。由 语境可知，此 处考查的是代 词的替代，替代前面提到的 last year，为同名同物，同一者，用 it。.单句改错 导 学 号 424923781He found it very difficult to focus his attention in his text book._inon_2The highway led to Shanghai was built five years ago._ledleadin
11、g_3Now the young man regrets waste so much time when he was at school._wastewasting_4That is called atomic energy is actually nuclear energy._That What_5Equipping with new scientific farming methods，they have been able to use less farmland than in the past._EquippingEquipped_6With all his attention
12、focus on his experiment，he has no time to spend with his family._focusfocused_7I would rather sleep all day than to play computer games for a long time._去掉 to_8Though the price of the house has been reduced 10%，we cant afford it either._reduced 后加 by_.教材原句 导 学 号 424923791Thanks_to _his research, the
13、 UN has more tools in the battle to rid the world_of_hunger.解析：第一空考查“thanks to”意为“因为，幸 亏” ；第二空考 查“rid.of.”意为“除掉问题” 。2Since then, finding ways to grow more rice_has_been_ (be) his life goal.解析：考查时态以及主谓一致。 since 引导时间状语时，主句谓语用现在完成时态，且 动名词作主语，谓语用单数。3_Although_he is one of Chinas most famous scientists,
14、Yuan Longping considers himself a farmer.解析：考查两个句子之间的关系。 结合语意可知答案，两句之间表示转折关系。4_Born_(bear) in 1930, Dr Yuan graduated from Southwest Agricultural College in 1953.解析：考查分词作状语。bear 与逻辑主语之间为被动关系，故用 Born。5Spending money on himself or_leading_(lead) a comfortable life also_means_(mean) very little to him.
15、解析：第一空考查“spend money (in) doing sth.”；第二空考 查主谓一致，动名词作主语时，谓语动词用单数。6Now more than 60% of the rice_produced_(produce) in China each year is from this hybrid strain.解析：考查分词作定语。produce 与 rice 之间为动宾关系，故填 produced。7These_increased_(increase) harvests mean that 22% of the worlds people _are_fed_(feed) from
16、just 7% of the farmland in the world.解析：第一空考查分词作定语，increase 与所修饰词之间为动宾关系，故填 过去分词；第二空考查被动语态。8Over the past half century，_using_(use) chemical fertilizers_has_become_(become) very common in farming.解析：第一空考查动名词作主语；第二空考查主谓一致和时态，动名词作主语时谓语用单数，根据“over the past half century”可知用现在完成时态。9They feel that this ma
17、kes the soil in their fields_richer_(rich) in minerals and so more fertile.解析：考查形容词比较级。根据 and 后 so more fertile 可知，此处应填 richer。10Crops such as peas or soybeans put important minerals back into the soil，_ making_(make) it ready for crops such as wheat or corn.解析：考查分词作状语。make 与前面的句子之间是顺承主动关系，故用现在分词作结果
18、状语，故填 making。.语篇填空 导 学 号 42492380_Although_ he is one of Chinas most famous scientists, Yuan Longping considers _himself _ a farmer, for he works the land to do his research.Indeed, his _sunburnt_(sunburn) face and arms and his slim, strong body are just like those of millions of Chinese farmers, fo
19、r _whom_ he has struggled for the past five decades.Dr Yuan Longping grows what is called super hybrid rice.In 1974, he _became_(become) the first agricultural pioneer in the world to grow rice that has _a _ high output.This special strain of rice makes _it _ possible to produce onethird more of the
20、 crop in the same fields.Now more than 60% of the rice _produced _(produce) in China each year is from this hybrid strain.Born into a poor farmers family in 1930, Dr Yuan graduated _from_ Southwest Agricultural College in 1953.Since then, finding ways _ to_grow_(grow) more rice has been his life goa
21、l.话题写作 导 学 号 42492949用本单元所学知识完成下列句子，并按照逻辑连成短文。1中国的农民曾经过着很艰苦的生活，并一直受着饥饿的困扰。Farmers in China used to_lead_a_hard_life_and_were_always_disturbed_by hunger.2几十年来，他们努力寻找能够提高粮食产量的方法，但收效甚微。For decades，they_ struggled_to_search_for_ways_to increase the grain output，but without success.3多亏了袁隆平的杂交水稻研究，农民们的收成比
22、以前多了一倍。_Thanks_to_Yuan_Longpings_research_on the hybrid rice，farmers are producing harvests_twice_as_large_as_before_.4这意味着世界 22%的人口摆脱了饥饿。It means 22% of the worlds population_have_got_rid_of_hunger_.5大多数农民说他们很满意他们现在的生活，宁愿待在农村当农民。Most of the farmers say they_are now quite satisfied with their lives
23、and would rather be farmers in the countryside.组篇公式：将句 3、4 改为定语从句。答案：Farmers in China used to lead a hard life and were always disturbed by hunger.For decades, they struggled to search for ways to increase the grain output, but without success.Thanks to Yuan Longpings research on the hybrid rice, farmers are producing harvests twice as large as before, which means 22% of the worlds population have got rid of hunger.Most of the farmers say they are now quite satisfied with their lives and would rather be farmers in the countryside.