题目内容
2.Research advances over the past decade _______ us that we humans can clonejust about any animals,even ourselves.( )A. | convinced | B. | are convincing | C. | have convinced | D. | convince |
分析 过去的十年中的研究进展使我们相信人类能够克隆任何动物,甚至我们自己.
解答 答案是C.
本题考查现在完成时;题干中over the past decade(在过去的十年中)是与现在相联系的段时间,与现在完成时连用,故选C.
点评 对时态的选择,要在把握时态的基本用法的基础上,根据具体语境和题干中的时间推断时态,同时关注特殊的结构.
练习册系列答案
相关题目
17.-Will you come over to Beijing next summer?
-I'd like to,but my family ______ London that summer.( )
-I'd like to,but my family ______ London that summer.( )
A. | are visiting | B. | are to visit | ||
C. | will be visiting | D. | will visit |
13.I'm sitting at the airport watching people in the last minutes before their loved ones arrive or depart.
A woman is running in circles trying to gather family members together for a (41)B.When the final moment comes before (42)B,she wraps her arms around her son,giving him a (43)Ahug that should protect him until she (44)C.
I sit with a book in my hands,waiting for my turn to leave,(45)D because the ones I love have a different (46)Afrom mine.
I think of other departures and arrivals.I (47)Cseeing my daughter.I wrapped myself around her as if she'd been (48)C.That year she was in her first year at university,coming home for the first time.
Today my flight is two hours late.When my flight is (49)B called,I gather my book and luggage.(50)Dthere is no one to see me off,I do not (51)C to see where I have come from.(52)C,I think of my husband at work (53)Dif I have left yet.
As I head towards the plane,I find myself (54)Ayet another arrival and departure.That year,my 91-year-old grandfather died.After returning from his funeral,I arrived at the airport (55)B.My husband of only a year was waiting at the gate to take me in his arms.Because of my tears,(56)B was looking at us,but I didn't (57)A.
Life needs the important (58)D all the time.I wish that all the people who went on a (59)A could come back to find someone (60)Dthem.I also wish they could leave with someone to see them off.
A woman is running in circles trying to gather family members together for a (41)B.When the final moment comes before (42)B,she wraps her arms around her son,giving him a (43)Ahug that should protect him until she (44)C.
I sit with a book in my hands,waiting for my turn to leave,(45)D because the ones I love have a different (46)Afrom mine.
I think of other departures and arrivals.I (47)Cseeing my daughter.I wrapped myself around her as if she'd been (48)C.That year she was in her first year at university,coming home for the first time.
Today my flight is two hours late.When my flight is (49)B called,I gather my book and luggage.(50)Dthere is no one to see me off,I do not (51)C to see where I have come from.(52)C,I think of my husband at work (53)Dif I have left yet.
As I head towards the plane,I find myself (54)Ayet another arrival and departure.That year,my 91-year-old grandfather died.After returning from his funeral,I arrived at the airport (55)B.My husband of only a year was waiting at the gate to take me in his arms.Because of my tears,(56)B was looking at us,but I didn't (57)A.
Life needs the important (58)D all the time.I wish that all the people who went on a (59)A could come back to find someone (60)Dthem.I also wish they could leave with someone to see them off.
41.A.lecture | B.goodbye | C.dinner | D.party |
42.A.gathering | B.boarding | C.announcing | D.landing |
43.A.powerful | B.gentle | C.warm | D.common |
44.A.leaves | B.survives | C.returns | D.recovers |
45.A.frightened | B.anxious | C.relaxed | D.alone |
46.A.schedule | B.attitude | C.position | D.target |
47.A.imagine | B.enjoy | C.recall | D.consider |
48.A.stolen | B.cheated | C.lost | D.punished |
49.A.punctually | B.finally | C.abruptly | D.repeatedly |
50.A.Although | B.While | C.Till | D.Since |
51.A.slow down | B.get off | C.look back | D.run away |
52.A.However | B.Besides | C.Instead | D.Therefore |
53.A.doubting | B.asking | C.predicting | D.wondering |
54.A.remembering | B.forgetting | C.planning | D.rejecting |
55.A.shouting | B.crying | C.laughing | D.whispering |
56.A.someone | B.everyone | C.none | D.anyone |
57.A.care | B.respond | C.scold | D.flee |
58.A.arrival | B.chance | C.departure | D.moment |
59.A.journey | B.diet | C.picnic | D.holiday |
60.A.worrying about | B.smiling at | C.talking of | D.waiting for |