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【判断题】
8螺纹画法中,内螺纹牙底圆用粗实线画整圆。( )A.
正确
B.
错误
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举一反三
【简答题】17年,进步教育家 ________ 开办了俄国第一所儿童:________ 。
【单选题】Which kind of beans is particularly beneficial for the liver?
A.
B lack beans
B.
W hite kidney beans
C.
M ung beans
【单选题】The somatogravic illusion falsely identifying a level acceleration as a steep climb, is most likely to be encountered
A.
during a go-around in a high performance aircraft when flying visually
B.
during and just after take-off in a high performance aircraft on a dark night
C.
during an approach to a poorly lit runway on a dark night
【简答题】In the supermarket you would also find many frozen foods --- frozen fruits, vegetables, meat and fish. As techniques for 5.__________ (freeze) food are being improved, more frozen foods are appearing ...
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