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【单选题】
样品的包装检查()A.
包装完整情况、密封是否有人为的拆动
B.
送样人、编号、代表量是否填写
C.
检验项目、检验要求是否填写
D.
测试环境、检验技术是否填写
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反馈参考答案：
举一反三
【单选题】执行下列二进制逻辑乘运算(即“按位逻辑与”运算)01011001&10100111，其运算结果是______。
A.
00000000
B.
11111111
C.
00000001
D.
11111110
【单选题】听力原文：I think I'd better leave now. It's getting late. (4)
A.
You're right..
B.
But it's still early.
C.
What do you think of it?
D.
Why are you so late?
【单选题】I ____ that we would be able to leave soon, but it’s beginning to look difficult.
A.
hoped
B.
have hoped
C.
was hoping
D.
had hoped
【单选题】－I my keys in the room yesterday. I had to get in the window. －It’s dangerous to do that.
A.
leave, from
B.
left, through
C.
forget, from
D.
forgot, through
【单选题】—Excuse me, visiting hours are over．It' s time for you to leave． —I' m sorry, I didn't know the time or I ______ earlier．
A.
will leave
B.
would leave
C.
had left
D.
would have left
【单选题】I ______ that we would be able to leave tomorrow, but it's beginning to look difficult.
A.
had hoped
B.
has hoped
C.
hope
D.
hoped
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