用罐笼运输物料时，料车进入罐笼后，把钩工必须将物料车用（）卡_爱下问搜题

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问题单项选择题

用罐笼运输物料时，料车进入罐笼后，把钩工必须将物料车用（）卡住。

A、道木

B、阻车器

C、木楔

D、铁楔

答案

参考答案：B

选择题

看图选正确答案。

( ) 1.	A. Here is a bus.	B. Here is a taxi.
( ) 2.	A. This is a shirt.	B. This is a T-shirt.
( ) 3.	A. This is a trousers.	B. This is a pair of trousers.
( ) 4.	A. They are skirt.	B. They are skirts.
( ) 5.	A. It's a car.	B. It's a taxi.
( ) 6.	A. a shoes	B. a pair of shoes
( ) 7.	A. It's a shirt.	B. It's a blouse.
( ) 8.	A. It's a hat.	B. It's a cap.
( ) 9.	A. They are sock.	B. It's a pair of socks.

单项选择题

麻疹邪毒攻喉证在麻疹的基础上证见（）

A．高热骤降，涕泪横流，两目红赤

B．高热不退，咳嗽气促，鼻煽痰鸣

C．壮热起伏，烦躁不安，咳嗽阵作

D．高热不退，烦躁谵妄，四肢抽搐

E．咽喉肿痛，咳声重浊，声如犬吠