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【单选题】
配制500 mL 0.2 mol/L KCl溶液,所需KCl固体的质量为?A.
1.49 g
B.
2.98 g
C.
4.47 g
D.
7.45 g
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皮皮学刷刷变学霸
举一反三
【简答题】Tous les matins, Marie se brosse les dents avant le petit déjeuner, mais hier, elle (se brosser)________ les dents après le petit déjeuner.
【单选题】Parmi les trois pays suivants, lequel est le plus petit?
A.
le Luxembourg
B.
le Vatican
C.
Monaco
【简答题】The police promise that the case __________ (solve) as soon as possible.
【单选题】— _____ late for school again,Tim! — Sorry, I promise that I _____. [ ]
A.
Don't, won't
B.
Don't be, won't
C.
Don't he, don't
D.
Don't, will
【单选题】——________ late for school again, Tom! ——Sorry, I promise I _________.
A.
Don’t, will
B.
Don’t be, won’t
C.
Don’t be, don’t
D.
Don’t, won’t
【简答题】—Please don ' t tell anybody. —I _______, I promise. [A] can 't [B]don't [C] won't [D] mustn 't
【多选题】If someone doesn’t keep his promise, he ______.
A.
goes back on his word
B.
breaks his promise
C.
doesn’t make a promise
D.
doesn’t say a word
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【简答题】—Please don ' t tell anybody. —I _______, I promise. [A] can 't [B]don't [C] won't [D] mustn 't