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【判断题】
单片机引脚封装类型大体上有DIP 、PLCC、TQFP,但40引脚以下多采用DIP封装。A.
正确
B.
错误
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皮皮学刷刷变学霸
举一反三
【单选题】---How did it _________ that all the flowers died ? ---I had forgotten to water them.
A.
come on
B.
come up
C.
come about
D.
come along
【单选题】—You didn’t come to school yesterday, did you? —_______, though I was very busy.
A.
Yes,I did
B.
No, I didn’t
C.
Yes, I didn’t
D.
No, I did
【单选题】I was really busy these days, otherwise I _______ to your birthday party last night.
A.
came
B.
did come
C.
should have come
D.
would have come
【单选题】虚拟语气 I did not see your sister at the meeting. If she ____, she would have met my brother A. has come B. did come C. come D. had come
A.
has come
B.
did come
C.
come
D.
had come
【简答题】世界工业机器人四大家族是指________、________、___________、____________。
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