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【单选题】
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B.
基站
C.
顶层端站
D.
底层端站
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【单选题】— Do you want to study in the famous research institute? — Of course, anyone that _______ be chosen may be lucky. [ ]
A.
should
B.
could
C.
must
D.
may
【简答题】设当x=θ时，函数f（x）=sinx+2cosx取得最大值，则cosθ=______．
【简答题】设当x=θ时，函数f（x）=sinx-2cosx取得最大值，则cosθ=______．
【简答题】At first the institute refused to purchase thetelescope, but this decision was _____ revised. A. occasionally B. consequently C. successively D. subsequently.
【简答题】设当x=θ时，函数f(x)＝sinx－2cosx取得最大值，则cosθ=______
【单选题】--- How soon will the candidates get their university admissions? --- It may take three weeks for all the applications to be .
A.
withdrawn
B.
delivered
C.
edited
D.
processed
【单选题】An unhappy childhood may have some negative effects on a person's character; however, they are not always ________. [ ]
A.
practical
B.
avoidable
C.
permanent
D.
beneficial
【简答题】听力原文：Researchers have found that daily walking may improve sleep quality. They have also noticed that only those who exercise in the morning have the beneficial effects on sleep. Those who exercised i...
【简答题】设当x=θ时,函数f(x)=sinx-2cosx取得最大值,则cosθ=____.
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