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【判断题】
皮脂膜是由皮肤分泌的皮脂和汗液组成。
A.
正确
B.
错误
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参考答案:
举一反三
【判断题】接触器是一种自动的电磁式开关。
A.
正确
B.
错误
【判断题】接触器是一种自动的电磁式开关。
A.
正确
B.
错误
【单选题】—Your shirt is nice. —______. [     ]
A.
Yes, it is
B.
Here you are
C.
Thank you
D.
Here it is
【判断题】A群体标准差为5,B群体的标准差为12, B群体的变异一定大于A群体。
A.
正确
B.
错误
【简答题】完形填空。 This is 1 photo 2 my room. Can you see my bed? It is here. It is nice. These 3 my books. They are 4 . My dictionary 5 on a chair. Look! What's that? It's 6 .What color is 7 ? Do you know? 8 gree...
【单选题】— Mum, it is nice weather.I want to skate this afternoon. — Don't you think the ice on the lake is too thin to________your weight? [     ]
A.
carry
B.
bear
C.
catch
D.
take
【单选题】-- ______ It is nice talking to you. -- Same here. I will see you.
A.
Good for you.
B.
It is getting late.
C.
I have got to go.
【多选题】我国铁路固定信号包括( )。
A.
进站信号机
B.
通过信号机
C.
出站信号机
D.
火炬
E.
机车信号
【单选题】—Mum, it is nice weather. I want to skate this afternoon. —Don’t you think the ice on the lake is too thin to ________ your weight.
A.
stand
B.
catch
C.
bear
D.
take
【判断题】A群体标准差为5,B群体的标准差为12, B群体的变异一定大于A群体。
A.
正确
B.
错误
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