浇注式沥青混合料技术指标包括（）。 A.贯入度 B.针入度 C.流动性 D.车辙试验

Mr. Jackson is a teacher of science in a middle school. His students like his classes because his classes are very interesting. They can learn a lot in his class. The students can make（制作）many things. His little son Val also likes making things. He makes lots of machines（机器）, such as a machine like a man. It can do the job that is dangerous（危险的）for people to do. He says, “I want to be a scientist.”

根据短文内容，选择正确答案。

小题1:What does Mr. Jackson teach?

A．English

B．Science

C．Math

D．History小题2:Why do the students like his classes?

A．Because he is kind to his students.

B．Because he teaches them carefully.

C．Because his classes are very interesting.

D．Because students like him.小题3:Mr. Jackson’s son can make _____.

A．a machine like a man

B．a dangerous machine

C．a man

D．a scientist小题4:Does little Val like making things?

A．No, he doesn’t.

B．No, she doesn’t.

C．Yes, he does.

D．Yes, he doesn’t.小题5:What can students do in Mr. Jackson’s classes?

A．They can learn English.

B．They can do dangerous job.

C．They can do nothing.

D．They can make many things.

二元一次方程2x+3y=5，用含有x的代数式表示y，则y=         .。

外表灰棕色或灰褐色，有明显的椭圆形皮孔。此药为

A．厚朴

B．牡丹皮

C．杜仲

D．黄柏

E．桑白皮

根据西方的经验，流动比率在（）左右比较合适。

A.1：1

B.1：2

C.2：1

D.3：1

根据下列文字资料回答问题。

2005年1～8月，我国出口方面，初级产品出口额为320.5亿美元，比去年同期增长29.3%，占同期出口总额6.7%；工业制品出口额为4442亿美元，比去年同期增长32.4%。进口方面，初级产品进口额为940亿美元，比去年同期增长25.1%，占同期进口总额的22.6%；工业制品进口额为3214.8亿美元，比去年同期增长12.3%。 在出口商品巾，机电产品出口继续保持稳定增长势头，传统大宗商品出口增势良好，海关统计显示，1～8月份，我国机电产品出口2593.7亿美元，增长33.2%，高出同期我国出口整体速度1个百分点，占同期我国出口总值的54.5%，其中，机械及设备出口932.6亿美元，增长速度29%；电器及电子产品出口1018.1亿美元，增长32.5%。 此外，传统大宗商品出口继续保持良好的增长势头，1～8月份，服装出口466.5亿美元，增长22.3%，其中，织物制服装出口388.1亿美元，增长22.8%；鞋类出口124.7亿美元，增长25.6%。

2005年1～8月份，我国出口总额为多少亿美元（）

A．4783.6

B．414.4

C．6185.2

D．6532.5