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【单选题】
当把自然光通过某种介质后，在垂直于光传播方向的平面上，只在一个特定的振动的光，是（ ）。
A.
单色光
B.
复合光
C.
偏振光
D.
散射光
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举一反三
【判断题】内螺纹小径是内螺纹的公称直径.
A.
正确
B.
错误
查看完整题目与答案
【单选题】--- When’s your birthday? --- It’s ___________ January 1 st. --- What would you like ________ a birthday present? --- I would like a yo-yo.
A.
on; for
B.
in; as
C.
on; with
D.
on; in
查看完整题目与答案
【判断题】内螺纹小径是内螺纹的公称直径．
A.
正确
B.
错误
查看完整题目与答案
【判断题】赵州桥是一座由28道相对独立的拱券组成的多孔弧形大桥。
A.
正确
B.
错误
查看完整题目与答案
【单选题】听力原文：M: How can I help you? W: I would like to open a new savings account, please. M: You need to deposit ＄100 to open your account. W: But I called last week and was told it was ＄ 50. M: I'm sorry, b...
A.
A bank teller and a patron.
B.
An accounts manager and a customer.
C.
A sales clerk and a shopper.
D.
A stock broker and a client.
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【单选题】听力原文：W: I would like everyone to hand in his term paper this lesson tomorrow. M: Are you going to grade it? Q: What is possibly the relationship between the two speakers? (2)
A.
Customer and salesman.
B.
Wife and husband.
C.
Doctor and patient.
D.
Teacher and student.
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【简答题】I would like to talk to you about one of the most beautiful places I’ve ever seen. I was born and raised there and now I visit it from time to time. My family moved to the city, so I only go back to s...
查看完整题目与答案
【单选题】梯形螺纹的()是公称直径。
A.
外螺纹大径
B.
外螺纹小径
C.
内螺纹大径
D.
内螺纹小径
查看完整题目与答案
【判断题】普通外螺纹的公称直径是指螺纹大径,普通内螺纹的公称直径是指螺纹小径。
A.
正确
B.
错误
查看完整题目与答案
【单选题】Linux有三个查看文件的命令，若希望在查看文件内容过程中可以用光标上下移动来查看文件内容，应使用命令( )
A.
cat
B.
more
C.
less
D.
menu
查看完整题目与答案
相关题目：
【判断题】内螺纹小径是内螺纹的公称直径.
A.
正确
B.
错误
查看完整题目与答案
【单选题】--- When’s your birthday? --- It’s ___________ January 1 st. --- What would you like ________ a birthday present? --- I would like a yo-yo.
A.
on; for
B.
in; as
C.
on; with
D.
on; in
查看完整题目与答案
【判断题】内螺纹小径是内螺纹的公称直径．
A.
正确
B.
错误
查看完整题目与答案
【判断题】赵州桥是一座由28道相对独立的拱券组成的多孔弧形大桥。
A.
正确
B.
错误
查看完整题目与答案
【单选题】听力原文：M: How can I help you? W: I would like to open a new savings account, please. M: You need to deposit ＄100 to open your account. W: But I called last week and was told it was ＄ 50. M: I'm sorry, b...
A.
A bank teller and a patron.
B.
An accounts manager and a customer.
C.
A sales clerk and a shopper.
D.
A stock broker and a client.
查看完整题目与答案
【单选题】听力原文：W: I would like everyone to hand in his term paper this lesson tomorrow. M: Are you going to grade it? Q: What is possibly the relationship between the two speakers? (2)
A.
Customer and salesman.
B.
Wife and husband.
C.
Doctor and patient.
D.
Teacher and student.
查看完整题目与答案
【简答题】I would like to talk to you about one of the most beautiful places I’ve ever seen. I was born and raised there and now I visit it from time to time. My family moved to the city, so I only go back to s...
查看完整题目与答案
【单选题】梯形螺纹的()是公称直径。
A.
外螺纹大径
B.
外螺纹小径
C.
内螺纹大径
D.
内螺纹小径
查看完整题目与答案
【判断题】普通外螺纹的公称直径是指螺纹大径,普通内螺纹的公称直径是指螺纹小径。
A.
正确
B.
错误
查看完整题目与答案
【单选题】Linux有三个查看文件的命令，若希望在查看文件内容过程中可以用光标上下移动来查看文件内容，应使用命令( )
A.
cat
B.
more
C.
less
D.
menu
查看完整题目与答案