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问题 单项选择题

在投影为圆的视图上，表示外螺纹公称直径的粗实线圆只画（）。

A.1/2圈

B.3/2圈

C.3/4圈

D.1圈

答案

参考答案：D

阅读理解
阅读理解。
     The town bank was robbed yesterday at 8 p.m. Late last night, the police were asking two men about the
robbery. The men are Bill Burger and Ben Burger.
                                  POLICE INTERVIEW WITH
                                       Mr. Ben Burger
      Ben Burger was asked, "Where were you between 7 and 9 p.m. yesterday?"
      He answered as follows:
      "I was with Bill, all the time. Bill came to my house at about a quarter to seven, and then
we watched TV for about 45 minutes. We watched a film about a football player, but I can't
remember the name of the film. Then we took a taxi to a restaurant. There weren't many
people there. I had steak and chips and Bill had chicken. We left there at a quarter to nine and
we went back to my house. What I said is true."
                                                                                    Signed (签名): Ben Burger
1. Bill and Ben are ____________.
A. classmates
B. friends
C. brothers
D. neighbors
2. They gave the same answers about the ____________.
A. time
B. food
C. traffic
D. TV programmer
3. From the passage, we can infer (推测) that ____________.
A. they didn't rob the bank
B. they didn't tell the truth (实话)
C. the police will believe them
D. they saw someone rob the bank
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选择题

将“b”放在显微镜下观察，视野内看到  [ ]

A．b

B．d

C．q

D．p

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