生活中的下列现象，属于化学变化的是（ ） A．海水晒盐 B．湿衣服晾干 C．海水

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.

选词填空。

陆续　　继续　　连续

1．小姑娘（　　）翻了十几个跟斗。

2．这些花在二十四小时内（　　）开放。

3．我们向那房子跑去，（　　）寻找我们的“幸福鸟”……

根据风险－收益气泡图，自象型技术项目的特征是（）。

A.预期收益高、技术成功概率高

B.预期收益低、技术成功概率高

C.预期收益低、技术成功概率低

D.预期收益高、技术成功概率低

女性，30岁。低热、腹胀、便秘3个月。查体：腹软，无压痛，肠鸣音6次／分。全胃肠钡餐示回肠末端、盲肠和升结肠肠腔狭窄、收缩、变形，可见充盈缺损，黏膜皱襞紊乱，结肠带消失。

可能的诊断有（）

A.增生性肠结核

B.溃疡性肠结核

C.结肠癌

D.慢性结肠炎

E.克罗恩病

F.急性阑尾炎

2010年我国农作物耕种收综合机械化水平超过50%，标志着我国农业生产方式已经实现由（）为主向（）为主的历史性跨越。