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【单选题】
(甲×乙)×甲的杂交方式,称为()。
A.
B.
单交
C.
复交
D.
测交
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参考答案:
举一反三
【简答题】Of all the things my grandma used to say, I remember this best of all — everything you worry about will ——(词组:结果是,证明是) all right.
【单选题】My grandma used to live in the country, but now she _______living in the city and likes the city life.
A.
is used to
B.
is used for
C.
used to
D.
uses to
【多选题】机械制造工艺学课程的主要学习内容?
A.
机械加工工艺规程设计;
B.
机床夹具设计;
C.
机械加工质量分析与控制;
D.
机器装配工艺基础;
【单选题】In my childhood, my grandma used to say”helping others _______ helping yourself”, which _______ a deep effect on me all my life.
A.
mean, have had
B.
means, has had
C.
means, had had
D.
mean, had had
【单选题】已知x=3、y=2则表达式x * =y+8的值为 ( )
A.
3
B.
2
C.
30
D.
10
【单选题】My grandma used to _____ corn into flour and make different kinds of cakes for us.
A.
grind
B.
certify
C.
specialize
D.
rear
【简答题】4Of all the things my grandma used to say, I remember this best of all -- everything you worry about will prove to be all right. ( )
【单选题】My grandma used to tell us a lot of ____ tales by the moonlight on warm and clear summer nights. [     ]
A.
romantic
B.
folk
C.
scientific
D.
making-up
【单选题】下列哪种砖不得用于长期受热 200°C以上,受急冷念、热和有酸性介质侵蚀的建筑部位。( )
A.
蒸压灰砂砖
B.
烧结空心砖
C.
烧结普通砖
D.
混凝土多孔砖
【单选题】下列哪种砖不得用于长期受热200°C以上,受急冷急热和有机酸性介质侵蚀的建筑部位
A.
蒸压灰砂砖
B.
烧结空心砖
C.
烧结普通砖
D.
混凝土多孔砖
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