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【单选题】
对于集合 和 ，定义 ， ，设 ， ，则A.
B.
C.
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举一反三
【单选题】Although ___ a little bitter, this medicine will be good for curing the disease. [ ]
A.
tasted
B.
being tasted
C.
tasting
D.
tastes
【简答题】Use the correct forms of the given verbs to complete the sentences. ___________(take) in time, the medicine will be quite effective.
【简答题】The medicine will be effective if _________ twice a day. (take)
【单选题】When do the children__________for the Spring Festival?
A.
break down
B.
break out
C.
break up
D.
break off
【单选题】Studies will be needed to see if the medicine has any on the disease
A.
wealth
B.
effect
C.
price
D.
market
【简答题】(If the medicine is taken in time), it will be quite effective.
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