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【判断题】
Cytokines are polypeptides secreted by immune and other cells that carry signals to neighbouring cells to regulate the immune system. _____A.
正确
B.
错误
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皮皮学刷刷变学霸
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【简答题】听4段对话，选出最佳选项。 1. What's bad for eyes? [ ] A. Reading too much. B. Reading in bed. C. Reading in the sun. 2. How many countries have been spoken about? [ ] A. Six. B. Four. C. Five. 3. When the...
【简答题】The problem is that the line between what's good and bad is becoming unclear and almost invisible.
【单选题】What's bad about the area?
A.
There's no bus service.
B.
There're too many kids around.
C.
It's not as quiet as it used to be.
D.
It's not safe.
【单选题】the haerd sleeper is generally ( )than the soft sleeper.
A.
less effective
B.
less cramped
C.
less comfortable
D.
less popular
【简答题】What's Bad Haircut's problems? What's Dr. Green's advice?
【判断题】商家在换季时推出的“打折商品”是时下经营者的价格促销手段,但经营者降价的原因与产品应具备的质量、功能无关,所以经营者不能因此影响消费者获得质量有保障的商品的权利。
A.
正确
B.
错误
【单选题】What's Dr Green's advice to Bad Haircut?
A.
Criticize Susan
B.
Never talk to Susan
C.
Laugh at Susan
D.
Find a new friend
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