摄像机镜头参数包括()。 A.焦距 B.相对孔径 C.视场角 D.价格

题型:多项选择题

问题:

摄像机镜头参数包括()。

A.焦距

B.相对孔径

C.视场角

D.价格

考点:公路交通运输技能考试公路收费及监控员公路收费及监控员题库
题型:多项选择题

Doing experiments can be interesting, and you may try the following experiments at home. Make sure that you’ll do them with an adult.

小题1:How many experiments are there in the pictures?

A.Six.

B.Five.

C.Three.

D.Two.小题2:The following are the instructions on how to do “Step 2” in these experiments. Which one is the right order?

a. Pour 3/4 of the water away. 

b. Put a balloon on the bottle.

c. Put the bottle in a bucket of hot water. The air rises into the balloon.

A.a, b, c

B.a, c, b

C.b, a, c

D.c, a, b小题3:What can you see in the bottle at last in Experiment A?

A.Some ice.

B.Some water.

C.Some ice and water.

D.A cloud and some water.小题4:What will happen to the balloon in “Step 3” in Experiment C?

A.It will be bigger.

B.It will be broken.

C.It won’t change.

D.It will be in the bottle.

题型:多项选择题

然谷属()。

A、肝经

B、脾经

C、肾经

D、膀胱经

E、胆经

题型:多项选择题

阅读理解

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题型:多项选择题

有利于保证党始终发挥总揽全局、协调各方的领导核心作用的执政方式是

A.科学执政

B.民主执政

C.依法执政

D.集中执政

题型:多项选择题

额窦开口于

A.上鼻道
B.中鼻道
C.下鼻道
D.蝶筛隐窝
E.鼻泪管

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