1.When he was running after his brother, the boy lost his ________ and had a bad fall.

A balance

B chance

C memory

D place

解析：选A。A　考查名词词义辨析。句意：追赶哥哥时，小男孩失去了平衡，重重摔了一跤。lose one’s balance失去平衡，失去均衡；lose one’s chance失去机会，无可能性；lose one’s memory失去记忆；失去记忆力；lose one’s place站不住脚，丢掉饭碗。根据句意选A。

2.He gave himself a new name to hide his _______ when he went to carry out the secret task.

A emotion

B talent

C identity

D treasure

解析：选C。C　考查名词词义辨析。句意：在执行秘密任务时，他给自己取了一个假名，来掩盖自己的身份。emotion 激动；情感，情绪；talent天才；才能；人才；identity 身份，本体，特征；treasure财富，金银财宝，珍品。根据句意选C。

3.The team are working hard to _______ the problem so that they can find the best solution.

A face

B prevent

C raise

D analyze

解析：选D。D　考查动词词义辨析。句意：团队正在努力地分析问题，以便寻求最佳解决方案。face面对；朝，向；prevent预防，防止，妨碍；阻止；raise举起，抬起；提高，增加；analyze分析。根据句意选D。

4.In order not to be heard, she pointed her finger upwards to ______ that someone was moving about upstairs.

A whisper

B signal

C declare

D complain

解析：选B。B　考查动词词义辨析。句意：为了不被听到，她用手指上举示意楼上有人走动。whisper耳语；轻声地说；signal 发信号；以动作示意；declare 宣告，宣布；声明，断言；complain 抱怨，诉苦；投诉。根据句义选B。

5.There is no doubt that this candidate's advantage ______ his ability to communicate with foreigners in English.

A leaves out

B goes against

C lies in

D makes up

解析：选C。C　考查动词短语辨析。句意：毫无疑问，这位候选人的优势在于他能用英语与外国人沟通的能力。leave out遗漏，省去；不考虑；go against违反；反对；lie in在于……；make up组成；补足；化妆；编造。根据句意选C。

6.Don't worry. I'm sure your missing glasses will __________ sooner or later.

A stand out

B break up

C get out

D turn up

解析：选D。D　考查动词短语辨析。句意：别担心。我相信你丢失的眼镜迟早会找到的。stand out突出；站出来；break up打碎，破碎；结束；解散；get out离开，出去；泄露；出版；turn up出现；发生；开大；发现。根据句意选D。

7.Even though the conference hall is near his apartment, he has to hurry a little if he wants to be _____.

A accurate

B punctual

C efficient

D reasonable

解析：选B。B　考查形容词词义辨析。句意：尽管会议大厅距他的公寓很近，想准时赶到，他必须快一点。accurate准确的；精确的；punctual准时的；efficient有效的，效率高的；有能力的，能胜任的；reasonable合理的，有道理的；通情达理的。根据句意选B。

8.I don't think what he said is _______ to the topic we are discussing．He has missed the point.

A faithful

B parallel

C relevant

D similar

解析：选C。C　考查形容词词义辨析。句意：我认为他说的与我们正在讨论的主题无关。他跑题了。faithful守信的，忠实的，如实的，可靠的；parallel平行的；类似的；relevant有关的；贴切的；有重大意义的；similar 类似的，与……相似。根据句意选C。

9.The girl used to be shy, but is _____ getting active in group work and is more willing to express herself.

A gradually

B usually

C previously

D merely

解析：选A。A　考查副词词义辨析。句意：女孩一度很害羞，但是逐渐地她在分组工作表现得积极主动，变得更愿意表达自己了。gradually逐渐地，逐步地；usually通常地，一般地，平常地；previously从前地；先前地，预先地；merely仅仅，只，不过。根据句意选A。

10.This meeting room is a non­smoking area. I would like to warn you ______ that if you smoked here you would be fined.

A in advance

B in detail

C in total

D in general

解析：选A。A　考查介词短语辨析。句意：这个会议室是无烟区。我想提前警告你，如果你吸烟，会被罚款的。in advance预先，提前；in detail逐一地，详细地；in total总共；总计；一共；in general总之，通常；一般而言。根据句意选A。