单项选择题

How many of those trial implants fail to survive

A.277
B.276
C.19
D.4
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单项选择题
Which of the following statements is NOT true
A.Cloning may lead to the loss of identity.
B.The cloned human children may have some psychological problems.
C.The psychological effects of cloning may be overlooked.
D.Genetic Uniqueness is important.
单项选择题
What will NOT happen if the employer puts too much pressure on the employees by using the monitoring system
A.The employees will have more freedom.
B.The employees will accept the performance rating better than the computer monitoring.
C.Many employees will frequently stay away from their work.
D.More employees will leave the company.
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