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【判断题】
Na2S2O3 可以直接配制标准溶液，不需要标定。A.
正确
B.
错误
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举一反三
【单选题】—I don’t think I need to buy that toy penguin—it’s for kids. —__________you don’t have kids, buy it anyway because it looks good.
A.
As if
B.
Even if
C.
In spite of
D.
Even so
【单选题】— Are you going to buy a camera? — Yes. But there are so many kinds that I can't decide _____ to buy. [ ]
A.
what
B.
which
C.
how
D.
where
【简答题】名ふたをジャケットからシャツに付け替えた。
【单选题】Your T-shirt is so cool. Could you tell me _______? [ ]
A.
where you buy it
B.
where do you buy it
C.
where you bought it
D.
where did you buy it
【单选题】--- Nancy, you are going to buy a flat here, aren’t you ? --- Yes, but I can’t ____ an expensive one .
A.
spend
B.
afford
C.
pay
D.
cost
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