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【判断题】
高压灭菌锅工作原理:在密闭的蒸锅内,0.5MPa的压力下,锅内温度达121°C,从而达到灭菌的目的。
A.
正确
B.
错误
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参考答案:
举一反三
【单选题】He could repair the car himself but he would rather his son ______ it.
A.
do
B.
to do
C.
did
D.
had done
【简答题】Selection tests which focus on aptitude, intelce and personality factors are called ........................................ tests. Which word correctly completes this sentence?A. Proficiency B. ...
【多选题】下列场合适用于齿轮传动的是 A.传动距离不大
A.
传递功率较大
B.
要求传递运动准确,保证传动比恒定
C.
远距离传动
【多选题】下列场合适用于齿轮传动的是
A.
传动距离不大
B.
传递功率较大
C.
要求传递运动准确,保证传动比恒定
D.
远距离传动
【单选题】He could repair the car himself but he would rather his son ______ it.
A.
do
B.
to do
C.
did
D.
has done
【单选题】The selection process is based on _________ tests of competence and experience.
A.
rigorous
B.
rival
C.
vigorous
D.
deceptive
【单选题】He could repair the car himself but he would rather his son ______ it.
A.
do
B.
to do
C.
did
D.
had done
【判断题】Written tests fell into disfavor in the late 1960s and are now rarely used in the selection process.
A.
正确
B.
错误
【单选题】The damage to his car was ; therefore, he could repair it himself.
A.
appreciable
B.
negligible
C.
considerable
D.
invisible
【单选题】The selection process is based on ________ tests of competence and experience.
A.
brutal
B.
stubborn
C.
rough
D.
rigorous
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