《王祯农书》的农器图谱所载的农具有（）。 A.35种 B.65种 C.95种 D.1

阅读理解。

     "Cool" is a word with many meanings. It can be used to express feelings of interest in almost everything.

When we see a famous car in the street, maybe we will say,"It's cool." When we see a famous singer, we may

say,"She's cool."

     Today, we use the word "cool" to replace (替代) many words, such as"great" or"nice". Here's an

interesting story about the word"cool". A teacher asked his students to write about a large hall. One of his

students wrote just one sentence,"It's so cool." Maybe he thought it was the best way to show what he saw

and felt. But it also tells us that we should think of many other words to describe things we see and feel.

1. Today, the word "cool" has _____.

A. only one meaning

B. different meanings

C. not any meanings

2. In the first paragraph, the underlined word almost means _____.

A. nearly

B. mostly

C. completely

3. The student in the 2nd paragraph used the word "cool" to describe _____.

A. a famous car

B. a famous singer

C. a great hall

4. If we are _____ something, we may say, "It's cool."

A. interested in

B. annoyed at

C. afraid of

5. The writer tells us that we should describe things _____.

A. in only one way

B. in an interesting way

C. in many different ways

慢性肾功能衰竭发生低血钙症的机制，下列哪项不符合（）。

A.血磷增高

B.肝脏25－羟化酶活性正常

C.肾脏1－羟化酶活性增强

D.肠内形成较多的磷酸钙

E.胃肠粘膜受损，使钙的吸收减少

受热力因素形成的气压带

A．赤道低气压带　

B．副热带高气压带

C．极地高气压带

D．副极地低气压带

铰板套扣上板时转动铰板后盖，调节（）。

A、压力钳

B、管子

C、三爪

D、小把

下列说法不正确的是（　　）

A．我国神七宇航员所穿航天服主要成分是由碳化硅、陶瓷和碳纤维复合而成的，它是一种新型无机非金属材料

B．“食用色素”、“碘元素”、“亚硝酸盐”在某食品添加剂中允许含有但符合限量时不会引起中毒

C．回收废旧电池的首要原因是回收某些金属和石墨

D．为减少环境污染使用乙醇汽油代替化石燃燃料，乙醇可通过纤维素转化制得，是一种可再生的燃料