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【单选题】
关于蛋白质吸收错误的是A.
吸收的主要形式是氨基酸
B.
二肽和三肽也能被吸收
C.
通过钠依赖载体偶联转运
D.
吸收途径为血液
E.
可通过入胞作用吸收多肽和蛋白质
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反馈参考答案：
举一反三
【单选题】The oil pressure in the gas production curve drops significantly, the water production decreases, and the casing pressure does not change significantly. The possible reason is ( )
A.
the collapse of Well wall
B.
Wellbore effusion
C.
Tubing break
D.
Oil pressure meter br eak
【判断题】Oil pressure sensors are adopted to indicate if the oil system keeps in the right amount of pressure. Oil pressure is usually sensed or measured directly from the main oil gallery.
A.
正确
B.
错误
【单选题】查询 course表中的前5行,正确的语法是
A.
select top 5 * from course
B.
select top(5) from course
C.
select top 5 from course
D.
select top(5*) from course
【单选题】In an oil cooler circulated by sea water, the oil is at a larger pressure, the result being that any leak in the cooler will mean a loss of _____.
A.
oil
B.
sea water
C.
refrigerant
D.
fresh water
【单选题】The three conditions which cause engine shutdown are overspeed，low lube oil pressure，and（）.
A.
High lube oil pressure
B.
High jacket water pressure
C.
High jacket water temperature
D.
Low jacket water pressure
【单选题】There was something wrong with the fuel oil high-pressure pipe. 02010272
A.
The fuel oil high-pressure pump was worn out.
B.
The fuel oil supply pump was wrong.
C.
The fuel oil high-pressure pipe was damaged.
D.
The fuel oil booster pump was wrong.
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