题目内容

2006年16月26日是联合国确定的国际禁毒日，禁毒日的主题是（）

A. “毒品不是儿戏”
B. “珍惜自我，健康抉择”
C. “抵制毒品，参与禁毒”
D. “一致反对共同的威胁”

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Students who fly halfway across the world to study in another country get used to the new

A. 到另一个国家去的学生飞越了半个世界，在经历一段时间之后就习惯了新的时区了。
B. 到另一个国家去留学的学生飞越了半个世界，在经历一段时间之后就会习惯了新的时间了。
C. 飞过半个地球到另一个国家求学的学子，几天后就能适应新的时区。
D. 学生飞过半个地球去留学，几天后就能适应了。

艾维因肉鸡,生长速度快,体形大是一种优良品种肉鸡,它的形成是()

A. 自然选择的结果
B. 人工根据人类需要定向选择的结果
C. 人工根据肉鸡生长需要定向选择的结果
D. 自然选择和人工选择的共同结果

某产品的功能现实成本为5 000，目标成本为4 500元，该产品分为三个功能区，各功能区的重要性系数和现实成本见下表。
则应用价值工程时，优先选择的改进对象依次为()。

A. F1—F2—F3
B. F1—F3—F2
C. F2—F3— F1
D. F3—F1—F2

听力原文：W: Robert, you play the guitar, don't you？
M: I used to. But I haven't played quite some time. I don't really have time these days with all my studies. Why do you ask？
W: I'm trying to organize a group to play at some parties on weekends. We still need a guitar player.
M: Well, I don't know. But your idea sounds fun to me.
W: Oh, it will be. I'm more or less in charge of things, so if you want to give it a try, you're in. It's as easy as that. Besides, it's a great chance to get out and meet people.
M: But I haven't practiced for a long time. I don't know if I remember any songs I used to play.
W: Don't worry about that. I just thought I'd ask you to try and join us sometime when we were practicing. We'll be practicing for a few months before we give performances.
M: OK, I'll have a try.
W: I'm sure you can do it. And it will be fun, too.
What do you think Robert is？

A dancer.
B. A singer.
C. A student.