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【单选题】
关于咽鼓管的正确描述是()
A.
连通鼓室与口咽部
B.
外侧部为软骨部,内侧部为骨部
C.
内端开口于咽隐窝
D.
外端开口颈静脉壁
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举一反三
【单选题】When I go out in the evening I use the bike ______ the car if I can.
A.
rather than
B.
regardless of
C.
in spite of
D.
other than
【单选题】--When can I go out to play football, Mum? --Finish your homework first, or I won't let you ________.
A.
to go out
B.
go out
C.
going out '
D.
will go out
【简答题】内蒙古自治区成立于哪一年 A1948 B1947 C1946 D1950
【简答题】X、Y、Z、Q、R五种元素原子序数依次增大,且X和Y,Z和Q分别同周期,Q、R同主族且相邻,X的低价氧化物与Y单质分子的电子总数相等,Z和Q的核电荷数相差4,Q的2价简单离子与Ar原子的电子层结构相同。根据以上信息填空: (1)Q离子的结构示意图______________;R的元素符号为___________ (2)Y的气态氢化物空间构型是_______________;X和Q形成的共价化合物的...
【单选题】1934年曹禺发表了四幕话剧(),这标志着中国话剧艺术开始走向成熟。
A.
《日出》
B.
《雷雨》
C.
《原野》
D.
《北京人》
【单选题】—Mom, when can I go out to play football? —Finish your homework first, or I ________let you go out.
A.
don't
B.
didn't
C.
won't
D.
haven't
【单选题】I _____ the sidewalk when I walk to school. [     ]
A.
walk along
B.
play with
C.
go past
D.
find out
【单选题】I saw her _____ out when I was walking past. [     ]
A.
going
B.
to go
C.
went
D.
go
【简答题】妈妈总是把女儿打扮得像 ________ 的公主一样。
【单选题】I am a ________. I’m very busy when people go out to dinners.
A.
Waiter
B.
nurse
C.
policeman
D.
reporter
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