皮皮学，免费搜题
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搜题
【单选题】
A: Excuse me. I heard from the annoucement that Flight CA3320 has been ___________. What happened? B: Yes Sir. We are very sorry to inform you that. It is because of the bad weather condition in Bankok. We will let you know as soon as possible once we get any updates from the control tower. A: Ok. Thank you.A.
cancelled
B.
delayed
C.
stopped
D.
reallocated
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举一反三
【单选题】下列关于副反应的叙述,错误的是
A.
金属离子的络合效应对主反应不利。
B.
络合剂的共存离子效应对主反应不利
C.
各种副反应均对主反应不利。
D.
络合剂的酸效应对主反应不利。
【单选题】- do you go to the gym (健身馆)? - I go to the gym once a week (一周一次).
A.
How long（多长时间）
B.
How often（多长时间一次）
C.
How soon（多久）
D.
How far（多远）
【单选题】I go to the gym twice a week and do exercise to keep .
A.
health
B.
healthful
C.
healthier
D.
healthy
【单选题】— Must I go to the gym three times a week? — No, you _____. Twice a week is OK. [ ]
A.
mustn't
B.
needn't
C.
can't
D.
shouldn't
【判断题】In my spare time, I go shopping, I go to the gym, just hang out with friends."go to the gym" means 去健身房 .
A.
正确
B.
错误
【单选题】下列关于副反应的叙述，错误的是
A.
络合剂的酸效应对主反应不利。
B.
络合剂的共存离子效应对主反应不利。
C.
金属离子的络合效应对主反应不利。
D.
各种副反应均对主反应不利。
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