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【单选题】
— Dongdong，__________ toy car is that? — It’s _________．A.
who’s；hers
B.
whose；mine
C.
whose；her
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【单选题】I don’t think it is difficult for a senior student to ________ the difference between “hurt” and “injure”.
A.
separate
B.
divide
C.
choose
D.
tell
【简答题】Who is a senior student? ______.
【简答题】简述 水体沉积物中重金属的释放的影响因素
【单选题】— What about having a picnic in the open air during the coming May Day Holiday? — I simply can’t wait!
A.
Good idea!
B.
That’s all right!
C.
Never mind.
D.
You are welcome.
【简答题】What can the day center do for the old? To keep them from ______during day time.
【单选题】______abroad for a tour can be a worthwhile experience to a senior high student.
A.
Taking
B.
Taken
C.
Being taken
D.
Having been taken
【简答题】简述水体沉积物中重金属的释放的影响因素
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