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【判断题】
雅斯贝斯将人类历史划分为史前、古代文明、轴心时代和科技时代四个基本阶段。()A.
正确
B.
错误
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【简答题】What are the four processes of automobile manufacturing?
【单选题】From the end of the first paragraph we know that ________.
A.
children are more friendly to strangers
B.
American schools are not safe for kids
C.
children often follow their parents’ behavior
D.
fighting each other is part of children’s nature
【简答题】Plasma processes can be conveniently classified into four overall processes: , ， and .
【单选题】The four-stroke cycle is so called because it takes _____ to complete the processes needed to convert the energy in the fuel into work.
A.
two strokes of the piston
B.
four strokes of the piston
C.
one revolution of the crankshaft
D.
four revolutions of the crankshaft
【单选题】New Englanders are often thought of as being______.
A.
hospital and warm
B.
out going
C.
friendly and helpful
D.
all of the above
【单选题】Which of the following is the teacher's advice?
A.
Try not to make any mistakes.
B.
Be friendly and helpful to Americans.
C.
Don't be afraid of difficulties.
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