制动器按照功能分类（） A.行车制动 B.驻车制动 C.紧急制动 D.常规制动

下面各组词语中划线字的读音，完全正确的一项是[ ]

A、热忱（chén）     干涸（kū）         相得益彰（zhāng）

B、宽恕（shù）       天堑（qiàn）       鳞次栉比（jié）

C、拮据（jū）         匀称（chèng）     惟妙惟肖（xiào）

D、娴熟（xián）      阔绰（chuò）      吹毛求疵（cī）

蓄电池内硫酸铅的成分较多时，说明电池硫化了。

按要求转换句型。

1. All of my classmates like art. (改为否定句)

_____ _____ my classmates likes art.

2. No one knows about it. (改为反意疑问句)

No one knows about it, ______ _______?

3. I went to bed after I finished my homework. ( 改为同义句)

I ______ go to bed ______ I finished my homework.

4. If it doesn't rain tomorrow, we will go to the beach. (改为同义句)

_______ it    _____, we will go to the beach.

5. It's five months since the old man died. (改为同义句)

Five moths ______ ______ since the old man died.

6. I saw he was doing his homework just now. (改为同义句)

I saw  _____ ______ his homework just now.

7. We can't finish the work before ten. (改为被动语态)

The work  _____   _____ finished by me before ten.

8. The box is so heavy that I can't carry it. (改为同义句)

The box isn't ______ ______ for me to carry.

9. I haven't seen her since last week. (对划线部分提问)

 _____   _____ haven't you seen her?

10. Chinese is the most important subject of all. (改为同义句)

Chinese is more important than _____ _____ subject.

下列行为或主张符合可持续发展的有[ ]

A．竭泽而渔，杀鸡取卵

B．盛世滋丁，永不加赋

C．以人为本，人定胜天

D．封山育林，定期伐木

在路由器端口配置中，千兆以太网的接口类型为______。

A．Ethernet

B．FastEthernet

C．GigabitEthemet

D．Asvnc