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问题 判断题

卷烟机钢印安装后，必须把紧固螺母或螺钉拧紧，防止钢印在使用过程中松动，造成字体图案在烟支上变位。

答案

参考答案：对

单项选择题

W: Are you still teaching at the junior high school
M: Not since June. My brother and I opened a restaurant as soon as he got out of the army.
Q: What do we learn about the man from the conversation().

A. He quit teaching in June.

B. He has left the army recently.

C. He opened a restaurant near the school.

D. He has taken over his brother’s business.
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单项选择题

顽固性高血压是指()

A．联用两种以上降压药正规治疗1个月，血压无明显下降

B．联用两种以上降压药正规治疗2个月，血压无明显下降

C．联用三种以上降压药正规治疗1个月，血压无明显下降

D．联用三种以上降压药正规治疗2个月，血压无明显下降

E．联用三种以上降压药正规治疗3个月，血压无明显下降
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