集市有两种形式，一种是在（）定期进行的集市，如订货会等；另一种是（）集市，主要指自发

分子中有不对称碳原子但没有旋光性的药物是（）

A．奎宁

B．葡萄糖

C．右旋糖酐20

D．阿托品

E．麻黄碱

古罗马市政官规定：上市的奴隶须用牌子写明各奴隶的国籍、性别、年龄、技能和有无疾病等，并挂在胸前，事后如发现有出入，允许买主请求减价或解除契约。此规定体现了罗马法的主要现实意义是

A．协调罗马公民间的关系

B．维护奴隶主的经济利益

C．保护奴隶的正常交易

D．适应商品经济的客观需要

____________ he like ____________ pictures? [ ]

A. Do; draw

B. Does; draws

C. Does; drawing

对地面起保温作用的辐射形式是什么    [ ]

A．大气逆辐射    

B．大气辐射    

C．地面辐射    

D．太阳辐射

补全对话。从方框中选择合适的句子填空，完成下面的对话，有两项多余

A.  Do you like China ?

B.  Why do you come to China?

C.  Do you come from t he USA ?

D.  Where are you from ?

E.  Welcome to China .

F.  Why do you live with your family ?

G.  There are five .

W:Hi,Henry ! Can I ask you some questions ?

M:Yes, please.

W:小题1:______________________________________________

M:I’m from the USA

W:How many people are there in your family ?

M:小题2:_________________________They are my parents , my two  sisters and me.

W:小题3:______________________________________________

M:Because my father works here.

W:小题4:______________________________________________

M: Yes. I do. I like the Chinese and Chinese food.

W. Thank you.小题5:_____________________________________

M:Thanks a lot.