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【简答题】
AT89S51单片机相当于MCS-51系列单片机中哪一种型号的产品?
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举一反三
【单选题】在差速离心中最先沉降的细胞器是( )
A.
线粒体
B.
溶酶体
C.
细胞核
D.
氧化物酶体
【多选题】马铃薯、芹菜、莲藕、大葱的主要食用器官分别为 ( )
A.
B.
块茎
C.
叶柄
D.
假茎
E.
根茎
F.
【简答题】55 what is the author’s advice to Americans? A)They treat the dollar with a little respect B) They try to win in the weak-dollar gamble C)They vacation at home rather than abroad D) They treasure thei...
【单选题】Stars gain much popularity among the public but nearly no ____ in their personal lives. [     ]
A.
respect
B.
reduction
C.
reaction
D.
rate
【单选题】The leaders met to discuss the problems facing their ______ countries.
A.
respective
B.
respected
C.
respectable
D.
respectful
【单选题】在差速离心中最先沉降的细胞器是
A.
线粒体
B.
溶酶体
C.
D.
过氧化物酶体
E.
内质网
【单选题】He wanted to become a writer, but his father didnt think it was a______profession.
A.
respectful
B.
respective
C.
respectable
D.
respecting
【单选题】We all recognize the necessity for people _______the rights of others.
A.
respect
B.
to respect
C.
respecting
D.
respected
【单选题】在差速离心中最先沉降的细胞器是()
A.
线粒体
B.
溶酶体
C.
D.
氧化物酶体
E.
内质网
【单选题】在差速离心中最先沉降的细胞器是
A.
线粒体
B.
溶酶体
C.
D.
过氧化物酶体
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