1.A new study says that for mang years,immigrants___________the New York’s economy remain strong.

A.helped

B.help

C.had helped

D.have helped

答案：D 

解析：考查从句时态，主句用的现在时，从句在无明确表示过去的时间状语情况下，也用现在时。所以这题应该选择D。

 

2.Our flight to Beijing International Airport is scheduled to_________at 6:30 A.M. On Sunday

A.vacate

B.deliver

C.arrive

D.transport

答案：C 

解析：A选项 vacate空出；B 选项deliver递交； D 选项transport交通；C选项arrive到达。根据句意，飞机会6:30到，所以这题应该选择C。

 

3.A recent study shows that as many as 64 percent of senior hight school students hope that music lesson can continue,__________only 24 percent want to pur an end to it.

A.so

B.though

C.while

D.as

答案：C 

解析：while在这个句子中表示对比，所以这题应该选择C。

 

4.Director of tourism department suggests that overseas tourists_______more cities other than the big ones because big cities alone can’t be representatives of a country.

A.visiting

B.to visit

C.visited

D.Visit

答案：D 

解析：这里的suggest是表明的意思，后面接的是宾语从句，时态和主句一致。所以这题应该选择D。

 

5.MUN,which________Model United Nation, is a conference that provides students all over the world with the opportunity to experience what it’s like to be in the United Nations.

A.stand up

B.stand out

C.stand by

D.stands for

答案：D 

解析：A选项 stand up站起来；B 选项stand out突出；C 选项stand by站在一边；D选项stand for代表。根据句意，这个MUN的全称是，所以这题应该选择D。

 

6.___________,Sophia eventually makes the right choice to tell the truth.

A.As it is difficult

B.Difficult as it is

C.Difficult is it as

D.It is as difficult

答案：B 

解析：当as引导让步状语时，和although，though一样，当用作“尽管”之义时，可以用于部分倒装句，所以这题应该选择B。

 

7.Professor Sophia,together with 60 scientists from across the word,________more than 50 kinds of animals for two years to learn why not all species are equally skilled at controlling themselves.

A.have been studying

B.studies

C.has been studying

D.study

答案：C 

解析：当用作主语的成分后面跟有由but， except， besides， including， like， with， as well as， as much as， no less than， along with， in addition to， combined with， rather than， together with等引出的短语时，谓语动词习惯上要与这些结构前面的主语保持一致（即与比较远的那个主语保持一致，简称“就远原则”），所以这题应该选择C。

 

8.A Bite of China_______the audience greater insight into China’s society and culture by describing food based on the narrator’ life.

A.aims to give

B.aims giving

C.aims to giving

D.aims at give

答案：A 

解析：aim to do sth.，目的是做某事，所以这题应该选择A。

 

9.Mr. Zhao, the product manager,has________that every department head works collaboratively

To provide a better service to the customer.

A.suggesting

B.suggested

C.tell

D.concluded

答案：B 

解析：现在完成时的标志has后面应该用过去分词，排除A和C选项，所以这题应该选择B。

 

10.Scientists have recently conducted a study,which has ________that men and women do think differently.

A.confirmed

B.conformed

C.ensured

D.Informed

答案：A 

解析：B选项 conform和---保持一致；C 选项ensure确保； D 选项inform通知；A选项confirm确认。根据句意，研究确认了男性和女性思考方式不一致，所以这题应该选择A。