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【多选题】
以下分级代号的硅砂,能够应用于铸钢件的有()。A.
85
B.
90
C.
93
D.
96
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举一反三
【多选题】Why are bat populations falling?
A.
Killed by other animals
B.
Overuse of pesticide chemicals
C.
territory being destroyed
D.
pollution
【简答题】教学策略的特性包括目的性、 和调控性。
【单选题】Why does the author mention New York City in line 6 ?
A.
To emphasize how small the population of the Pacific Islands is
B.
To emphasize the extreme distances between the Pacific Islands and other regions
C.
To note the economic ties of the Pacific Islands to other regions
D.
To note the lack of urban environments on the Pacific Islands
【单选题】--- Why are you so angry? --- Jack failed to return my tennis bat on time again. He _______his words.
A.
is always eating
B.
has always eaten
C.
always eat
D.
always ate
【多选题】Why are bat populations falling?
A.
Killed by other animals
B.
Territory being destroyed
C.
Overuse of pesticide
D.
Pollution
【简答题】why, to be clear, is not bat's fault? give me one example
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