[单项选择]Nobody knew how he came up with this （）idea about the trip.
A. weary
B. twilight
C. unanimous
D. weird

[单项选择]Nobody knew how he came up with this ______ idea about the trip.
A. weary
B. twilight
C. unanimous
D. weird

[单项选择]Nobody was clear about how exactly he had managed to ___________ such a vast amount of money in such a short time.


A. gather
B. increase
C. profit
D. accumulate

[单项选择]Not until he came to China（）any idea of what a panda is like.
A. does John know
B. John knows
C. did John know
D. should John know

[单项选择]He knew that he would be punished severely because of his serious error. Therefore he ______ away the day before yesterday.
A. cautioned
B. fled
C. chattered
D. civilized

[单项选择]When he came to himself, he found himself （　） in bed.
A. lie
B. lay
C. laid
D. lying

[单项选择]The American professor came to realize that he had underestimated the ______ of most of the Chinese students.
A. magnitude
B. gradient
C. potential
D. firmness

[单项选择]He did not tell his parents because he knew they would try to change his mind but he （　）in a colleague at work.
A. involved
B. joined
C. engrossed
D. confided

[单项选择]He never showed others how fast he could run.

[单项选择]When ______ why he came in without permission, he stared at us, saying nothing.

[单项选择]Which of the following gives a general idea of how the noise-killing system works


A. By producing pressure waves going in the opposite direction.
B. By mixing high frequency sound waves with low frequency sound waves.
C. By mixing new sound waves with the noise and sending them out together.
D. By making copies of the unwanted sound waves and letting them out a little later.

[单项选择]First let me give you an idea of how little China is known to the Americans．


A. 第一大家已知道美国人对中国所知甚少。
B. 首先让大家了解一下美国人对中国所知甚少。
C. 第一你必须了解这样一点，美国人很少了解中国。
D. 首先大家必须清楚，中国对美国多么缺乏了解．

[单项选择]

Five Things Nobody Told Me about College
As I type this , I am in my university dorm room. A year ago, when I was awaiting to hear the results of my college applications, I often went to websites for some type of  insider look on what college would be like. However, there’s only so much that prep books, websites, and older friends can teach. Here are the top 5things nobody  told me about college:
61       
Nobody entering a university knows  exactly what they want to study. If they tell you otherwise, they’re lying and will probably change what they want to purse  within the first quarter of attendance . During my first quarter at University of California, Riverside (UCR),I  thought that I wanted to study Political Science with its focus on International Affairs, so that’s what I  applied for. However, once I worked with statewide and local government, I realized that a bett
A. Get involved in student activities
B. Your voice is actually super important
C. There is a significant increase of opportunities
D. Stay in active communication with your friends
E. Get smart about the people who you spend your time with
F. Your major does not matter as much in your first of college

[单项选择]How did he succeed according to himself .


A. By helping others.
B. By being approachable and caring.
C. By being persistent and not satisfied with just coming to work.
D. By having great ambitions.

[单项选择]When the boy came back years later, he found the empty old house there.