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【简答题】
设 A ∩ B=A ∩ C ,ˉA∩ B=ˉA ∩ C ,则 B________C
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【单选题】Are You Getting Enough Sleep? What happens if you don't get enough sleep? Randy Gardner,a high school student in the UnitedStates,wanted to find out. He designed an experiment on the effects of sleepl...
A.
Right
B.
Wrong
C.
Not mentioned
【简答题】??????Enough sleep is important to health. The amount of sleep （1） depends on the age of the person and the conditions in which sleep （2） . The young may need more sleep than the old， but （3） eight ho...
【简答题】Enough sleep is important to health. The amount of sleep 21 depends on the age of the person and the conditions in which sleep 22 The young may need more sleep than the old, but generally eight hours ...
【简答题】阅读理解。 Enough sleep is important to health. The amount of sleep needed depends on the age of the person and the conditions in which sleep takes place. The young may need more sleep than the old, but us...
【单选题】It is important for students to get _________. [ ]
A.
enough sleepy
B.
enough sleep
C.
sleep enough
D.
sleepy enough
【单选题】Enough sleep is important to health. The amount of sleep【21】depends on the age of the per son and the conditions in which sleep【22】. The young may need more sleep than the old, but【23】eight hours are ...
A.
wished
B.
expected
C.
needed
D.
wanted
【单选题】Enough sleep is important to health. The amount of sleep 【C1】______ depends on the age of the person and the conditions in which sleep 【C2】______ . The young may need more sleep than the old, but 【C3】...
A.
wanted
B.
expected
C.
wished
D.
needed
【简答题】Enough sleep is important to health. The amount of sleep __ 1 ________(need) depends on the age of the person and the conditions in _ 2. ________ sleep takes place. The young may need more sleep than ...
【单选题】步进电机式怠速控制执行机构的控制内容正确的是
A.
起动初始位置设定
B.
起动位置无需设定
C.
发动机再起动怠速控制阀处于零开度位置
D.
发动机再起动怠速控制阀处于任一位置
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