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参考答案：
参考解析：
刷刷题刷刷变学霸
举一反三
【单选题】When an activity becomes popular, companies that make equipment for the activity often have a boom in their sales.
A.
increase
B.
problem
C.
benefit
【单选题】My sister’s knitting store is thriving because every knitter in town buys supplies there.
A.
popular
B.
successful
C.
unusual
【单选题】He didn’t consider making his own furniture to be labor because he enjoyed it so much.
A.
hard work
B.
a waste of time
C.
unnecessary work
【单选题】Gardening, cooking, and knitting used to be considered menial tasks, but they are now expensive hobbies for many people.
A.
physical or difficult
B.
boring or unskilled
C.
useless or hopeless
【单选题】Although we know how many hours Americans work each week, we still don’t know how much leisure time they have.
A.
occupied
B.
spare
C.
uninterrupted
【单选题】I didn’t know the going rate for professional photographers, so I asked several of my friends how much they paid for such services.
A.
how fast the average person can do something
B.
the lowest price or salary for something
C.
the typical price or salary for something
【单选题】The odds are that you prefer playing sports to doing laundry.
A.
it is true
B.
it is obvious
C.
it is likely