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【单选题】
下列哪项类型数据是不可变化的:
A.
列表
B.
C.
字典
D.
字符串
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举一反三
【单选题】为保证弯曲可靠进行,二次弯曲间应采用( )处理。
A.
淬火
B.
回火
C.
退火
D.
调质
【单选题】This is one of the means ______ the electricity energy is conducted from one place to another. [     ]
A.
by which
B.
by that
C.
what
D.
which
【单选题】发动机气缸沿径向的磨损呈不规则的 ( )
A.
圆形
B.
圆柱形
C.
圆锥形
D.
椭圆形
【单选题】从实际创作效果来看,对初唐与盛唐产生较大影响的诗风是?
A.
风骨
B.
兴寄
C.
隐逸
D.
典雅
【简答题】花岗岩属于
【单选题】This is one of the few best films _____ highly thought of by the public. [     ]
A.
which is
B.
that are
C.
that is
D.
which are
【单选题】( 2019 广西北部湾 ) 下列有关生物生殖发育的叙述 , 正确的是
A.
. 用马铃薯的块茎繁殖新植株属于有性生殖
B.
. 在适宜的条件下 , 鸟卵均能孵化成雏鸟
C.
. 青蛙的生殖发育过程离不开水 , 幼体和成体均用鳃呼吸
D.
蝗虫的发育过程经历了受精卵、若虫和成虫三个阶段
【单选题】This is one of the best films that ___ this year. [     ]
A.
is appearing
B.
appear
C.
has appeared
D.
have appeared
【判断题】花岗岩属于岩浆岩中的酸性岩。()
A.
正确
B.
错误
【单选题】This is one of the means ____t he electic energy is conducted from one place to another.
A.
by which
B.
by that
C.
through which
D.
through that
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