氯丙嗪引起 * * 肿胀、溢乳是由于阻滞了 A．脑干网状结构上行激活系统α受体 B．黑质-

A: Hello, Tony! What a beautiful bike it is!

B: Thanks.

A: Where is it __小题1:___?

B: In Beijing.

A: I always want to buy one. Where did you buy it?

B: In the supermarket near our home. And there are many different colours. What’s your __小题2:__colour?

A: I like blue best. How ___小题3:__ is it?

B: About 400 yuan.

A: Mm...The ___小题4:_is OK. Well, would you like to go to the store with me this Sunday?

B: I’d love to. But I am busy .What __小题5:__ next Sunday?

A: Sounds great. See you then.

人体免疫的3种途径：______、______、______．

下列灾害可以用遥感技术监测的

①旱情 ②水灾 ③滑坡 ④农林病虫害

A．①②④

B．①②③

C．②③④

D．①②③④

成本函数反映（）。

A.产品的成本与价格之间的关系

B.产品的成本与收入之间的关系

C.产品的成本与产量之间的关系

D.产品的成本与投入量之间的关系

在拧紧原形或方形布置的成组螺母是，必须（）。

A.对称的进行

B.从两边开始对称进行

C.从外向里

D.无序