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【判断题】
凸轮轮廓曲线设计所依据的基本原理是反转法原理。A.
正确
B.
错误
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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】顶棚的作用有( )。 1用来遮挡屋顶结构,美化室内环境 2提高屋顶的保温隔热能力 3增进室内音质效果 4保护顶棚内的各种管道
A.
②③④
B.
①②③
C.
①③④
D.
①②④
【单选题】Why does Mrs. Harris want her son William to be a science degree holder?
A.
Because William is interested in it.
B.
Because William is good at this field.
C.
Because it promises a well-paid job.
D.
Because her firm is in want of scientists.
【单选题】Listen again to part of the talk. Then answer the question. Why does the professor say this:
A.
To point out the diversity of plant life
B.
To give an example of an environmental cue
C.
To compare different ecosystems where plants live
D.
To explain why few plants survive in the desert
【单选题】Why does the author mention 'Deep Blue'?
A.
To counter the argument that computers can't think.
B.
To entertain the reader with a humorous anecdote.
C.
To provide an example of a weak A.I. program.
D.
To supply a transition between two unrelated arguments.
【简答题】妊娠晚期，孕妇每周体重增加不应超过 （ ）。
【单选题】Why does Phil build the tree house alone but not with his son ?
A.
His son is not at home.
B.
His son is not interested in building the tree house anymore.
C.
He doesn't have a son.
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