Which of the following statements is NOT true according to the passage?
A.Dr. Everson announced the conclusion of the experiments that sleep is needed for resistance to infection.
B.Carol Everson repeated the experiments led by Allan Rechtaschaffen and Bernard Bergmann at the University of Chicago.
C.Carol has been a graduate student at the University of Chicago.
D.Carol's later experiment found some similarities between sleep-deprived rates and many terminal cancer patients and AIDS patients.
第3题
A.89D制动缸脂
B.二硫化钼
C.软甘油
D.89M制动缸脂
第4题
A.关闭回水连箱总阀和伴热线阀门;
B.打开回水连箱放空阀并关闭给水连箱各伴热线阀门;
C.打开给水连箱总阀,逐一打开连箱各伴热线阀门进行冲洗;
D.待回水连箱放空阀放出清水,关闭放空阀,开连箱总阀。
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