题目内容

"Speculation is science's very life-blood" means that scientists ______.

A. are gamblers on science
B. must form. opinions about the data they gather
C. must concern themselves with provable facts
D. must understand all sciences

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下面程序的运行结果是 #include＜iostream.h＞ class base{ protected： int a； public： base(){cout＜＜"0"；} }； class basel：virtual base { public： base1(){cout＜＜"1"；} }； class base2：virtual base{ public：

A. 123
B. 3120
C. 312
D. 3012

在稳、准、狠中，“稳”是关键。()

A. 正确
B. 错误

【B17】

A. pretend
B. incline
C. tend
D. intend

听力原文：W: Hey, you know, I am thinking of painting our room. What do you think？
M: Do you think we really need that？
W: Of course! Look at our room. It's so dull. I just want it to be bright and colorful.
M: Whatever.
W: So what color do you want it to be？
M: Er...I prefer light green. I heard that it's good for your eyes.
W: Ok, tomorrow we'll go shopping and buy the paint.
M: Do I have to go with you？
W: Sure, I need your help.
M: Well, that's hard work.
W: Oh, hey] What about rearranging the furniture after we paint the wall？
M: Are you kidding？
W: No, I just want to make a little change of our apartment.
M: Do you want to change your husband too？
(20)

A. Roommates.
B. Classmates.
C. Husband and wife.
D. Colleagues.