汽车尾气中含有NOx、CO及碳氢化合物，直接排入空气会造成大气污染，某研究性学习

阅读理解。

     Now Kangkang and his classmates are watching a fashion show. There are many famous models

in it. Look! They are coming. The No. 1, Miss Green, is coming to them. She is 18 and comes from

New York. She is wearing a blue blouse and black pants with a red hat. The second one is Miss

White. She is from London and wearing a long red dress with a pink scarf. And the third model is

coming. She is a French girl. She is wearing a cheongsam with a gold necklace. And the next one is

Miss Black. She comes from Sydney. She is wearing a minority costume. It's made of silk. Oh, here

comes the last one. She is wearing a T-shirt and blue jeans with a handbag. Wow! How cool they are!

1. How many models are there in the fashion show?

A. Three    

B. Four    

C. Five    

D. Six

2. Which country does Miss Green come from?

A. England  

B. Australia.

C. France  

D. America

3. What's the third model wearing?

A. A long red dress with a pink scarf.

B. A T-shirt and blue jeans with a handbad.

C. A cheongsam with a gold necklace.

D. A blue blouse and black pants with a red hat

4. What's Miss Black's costume made of ?

A. Silk    

B. Cotton    

C. Woolen  

D.  Leather

5. Which of the following is true?

A. Kangkang and his parents are watching the fashion show.

B. Miss White is a French girl.

C. The last model comes from Sydney.

D. From the passage we only know the first model's age.

在流速相等的条件下，DN200管道流量是DN50的2倍。

风湿病，初服白术附子汤可见（）

A.身痹

B.如冒状

C.两者均是

D.两者均非

放射性物品道路运输押运人员应了解、掌握（）。

A.车辆维修知识

B.所运放射性物品的性质、危害特性和发生意外的应急措施

C.车辆驾驶技术