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【判断题】
由于实验研究以人为受试对象,所以必须慎重考虑研究对象的样本量和依从性。A.
正确
B.
错误
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皮皮学刷刷变学霸
举一反三
【单选题】The French criminal looked like an Englishman, but his foreign accent gave him
A.
over
B.
up
C.
away
D.
in
【单选题】There are also strange records, like the Englishman who ____ a small car ____ 159.6 kilogrammes ____ for thirty three seconds! [ ]
A.
has balanced; weighed; on the head
B.
balanced; weighed; by the head
C.
balanced; weighing; on his head
D.
had balanced; weighing; by his head
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