[单项选择]When Mohammed, a friend of mine from the Middle East, first went to the United Kingdom to attend the university, ______ with women in the same class.
A. he’d never before studied
B. he would never before study
C. he couldn’t before study
D. he hasn’t before studied

[单项选择]When Mohammed, a friend of mine from the Middle East, first went to the United Kingdom to attend the university, ______ with women in the same class.
A. he’d never before studied
B. he would never before study
C. he couldn’t before study
D. he hasn’t before studied

[单项选择]When he was finally saved from the mine after half a month, John was ______ pale.
A. enormously
B. startlingly
C. uniquely
D. dramatically

[单项选择]When Mohammed, a man from the Middle East, first went to the United Kingdom to attend the university,（）with women in the same class.
A. he’d never before studied
B. he couldn’t before study
C. he would never before study
D. he hasn’t before studied

[单项选择]

When students from other countries come to the United States ,they are sometimes shocked at the casualness in American college and university classes. For example, American professors do not dress up and they generally call students by their first names. Students can speak out in class, where they do not even need to raise their hands. In addition, in many schools, students can drink coffee, tea, juice, or soft drinks during classes. Foreign students can usually get used to these differences easily. However, two examples of American casualness are very difficult for some foreign students to understand. First, students sometimes call their teachers by their first names. Instead of calling a teacher Mr. Smith or Professor Adams, they call them Tom or John. In some countries, it is not possible for students to" first name" their teachers. Second, American students sometimes criticize the ideas of their teachers. They might also give their teachers suggestions about changin
A. Professor Johnson.
B. Edward.
C. Mr. Johnson.
D. Professor Edward.

[填空题]Many people with middle income have moved from New York City to the suburbs in the past 10 years.

[填空题]
When you eat, your body takes the sugar from food and turns it into fuel. (1) Your body uses glucose for energy, so it can do everything from breathing air to playing a video game. But glucose can’t be used by the body on its own — it needs a hormone called insulin to bring it into the cells of the body.
Most people get the insulin they need from the pancreas, a large organ near the stomach. The pancreas makes insulin; insulin brings glucose into the cells; and the body gets the energy it needs. When a person has insulin-dependent diabetes, it’s because the pancreas is not making insulin. So someone could be eating lots of food and getting all the glucose he needs, but without insulin, there is no way for the body to use the glucose for energy. (2)
You may have heard older people talk about having diabetes, maybe people of your grandparents’ age. Usually, this is a

[单项选择]When drinking from a well, one mustn’t forget （）who have dug it.
A. those
B. them
C. that
D. these

[单项选择]University students are different from middle school students in that they try to learn by themselves.
A. 大学生不同于中学生在于他们努力独立学习。
B. 大学生不同于中学生在于他们努力靠自己学习。
C. 大学生与中学生不同，因为他们努力靠自己学习。
D. 大学生与中学生不同，因为他们尝试学习依靠自己。

[单项选择]Only middle-class Americans benefited from the prosperity in the post-war era.
A. True
B. False

[填空题]I was in the middle of writing the essay when my computer suddenly stopped working properly.