皮皮学，免费搜题
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搜题
【单选题】
土豆是植株的?A.
根
B.
茎
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参考解析：
知识点：
皮皮学刷刷变学霸
举一反三
【单选题】The operation of the letter of credit starts with the ___.
A.
exporter
B.
importer
C.
consumer
D.
policymaker
【单选题】Which of the following statements is correct with regards to the operation of a centrifugal cargo pump?
A.
Oil is discharged from the impeller through the outlet
B.
Gravity causes the oil to flow toward the discharge
C.
The self-priming feature of the centrifugal pump enables it to draw its own suction as it starts
D.
The discharge capacity varies directly with the speed of the impeller
【简答题】We have to admit that the traditional brand has got some (function) benefits.
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