题目内容
(请给出正确答案)
[单选题]
Justin Bieber is () as a famous singer.
A.known
B.know
C.knew
D.knows
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A.known
B.know
C.knew
D.knows
Vicki became suspicious of David Bieber because ______.
A.the police called her
B.he looked very strange
C.he came to the hotel with little luggage
D.he came to the hotel the day before New Year's Eve
From what Justin said at the end of the passage we learn that he______.
A.enjoyed the time with the scientists
B.soon recovered from his illness
C.often made fun of Marx
D.almost forgot his pain
What is this passage mainly about?
A.The benefits that laughter can bring to people.
B.A landmark experiment that is called Rx Laughter.
C.How Justin Black felt when a volunteer appeared in the hospital room.
D.Why Bill Marx became a member of the experiment team to test the effect of laughter.