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问题 单项选择题 A1型题

若彩色摄影的画面背景带有浅绿色，应使用何种滤色镜校正（）

A.色温转换滤色镜

B.中灰ND滤色镜

C.反差滤色镜

D.彩色补偿滤色镜

E.铷镨滤色镜

答案

参考答案：D

填空题

用所给动词的正确形式填空。

1. Did you see the accident ________ this morning?(happen)

2. You should get a chair________ on.(sit)

3. There are so many children ________ (play) in the park on Sundays.

4. It's hot. You'd better________ both the windows and the doors.(open)

5. It's not easy________ fish with your hands only.(catch)

6. Our teacher asked us________ to page 16.(turn)

7. You must________ to the teacher carefully in class.(listen)

8. He felt ________ (worry) about his son at that time.

9. He found a number of people already ________ (work) in the workplace.

10. Many children trust animals because they know ________ (keep) a secret.
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单项选择题 A1型题

高渗性失水早期的主要表现是（）。

A.口渴

B.心悸

C.晕厥

D.恶心

E.烦躁
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