半导体中的“空穴”数量大大超过自由电子的数量，成为以“空穴”导电为主的半导体，称为（

阅读理解。

     My name is Wu Dong. I'm a worker in a big shop. I don't work in the morning. I only work at night (夜里). Every morning I come home at about half past six. I have breakfast at seven. After breakfast I go to bed (上床睡觉). I get up at about half past two. I have lunch at a quarter to three and have supper at twenty to eight.

Then I go to work at a quarter past eight. I start (开始) to work at nine. I look after the shop every night. I like my work very much.

 根据短文内容,判断正(T)误(F).

(    )1. Wu Dong works in the morning.

(    )2. Wu Dong goes to bed at 6:30 in the morning.

(    )3. Wu Dong works at 12 o'clock at night.

(    )4. Wu Dong goes to work at 8:15 in the evening.

(    )5. Wu Dong doesn't like his work because (因为) he looks after the shop every night.

如图小明要测量L₁中电流大小，图中正确的电路图是（　　）

A．

B．

C．

D．

对下面这首诗赏析不恰当的一项是     

悬崖边的树

曾卓

不知是什么奇异的风／将一棵树吹到了那边——／平原的尽头／临近深谷的悬崖上

它倾听远处森林的喧哗／和深谷中小溪的歌唱／它孤独地站在那里／显得寂寞而又倔强

它的弯曲的身体／留下了风的形状／它似乎即将倾跌进深谷里／却又像是要展翅飞翔

A．这首诗借物喻人，写出了坚贞不屈的人格之美。

B．这首诗实际上写人在毁灭的边缘，顽强奋争，怀抱高远的理想。

C．这首诗细致地描绘了树的形象，表达了对这棵树的赞叹崇敬之情。

D．这首诗三节层层深入，节奏整齐，韵律和谐。

“猪坚强”、“范跑跑”“我爸是李刚”等是近年出现的一批网络流行语，它们均连接着社会热点事件。这充分说明

①包罗万象的网络世界使大众的语言发生了很大变化

②人们利用网络积极关注和参与社会事件

③网络成为公民表达看法、参与社会进程的方式

④网络赋予人发言的自由和权利，因而要慎用

A．①②③

B．①③④

C．①②③④

D．②③④

碗扣式钢管脚手架，一般每（）m高卸荷一次。

A.20

B.30

C.40

D.50