科学家的科 * * 心体现为：在对（）的意识上，防止学术异化，杜绝技术滥用 A.研究目标

The meat is______dear and eating______meat is bad for your health.

A．too much; much too

B．too much; too much

C．much too; too much

D．much too; oo many

特勤消防站、战勤保障消防站车辆配备数为：（）。

A.9-12

B.8-11

C.7-11

D.8-12

下列哪项形成了新物种[ ]

A．二倍体的西瓜经秋水仙素处理成为四倍体西瓜

B．桦尺蠖体色的基因频率由S(灰色)95%变为s(黑色)95%

C．马与驴交配产生了骡

D．克隆绵羊“多利”的产生

情景交际运用。

A: Tom, what's that on the table?

B: Oh, it's a __1__ of my family.

A: Can I have a look?

B: Yes!

A: Is the girl your sister?

B: No. She is my cousin. She's my uncle's __2__ .

A: Is the boy in green your __3__? 

B: Yes. We are twins (双胞胎).

A: Is the man in red your father?

B: No, he __4__ He is my uncle.

A: Oh, __5__  is your mother?

B: She is in the middle (中间) of the photo.

世界各大洲中，人口自然增长率最高的大洲是[ ]

A．亚洲

B．非洲

C．大洋洲

D．南美洲