皮皮学，免费搜题
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【单选题】
不属于颅后窝的结构是A.
颈静脉
B.
颈动脉管内口
C.
舌下神经管
D.
横沟
E.
内耳门
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知识点：
皮皮学刷刷变学霸
举一反三
【单选题】Water and air are _______ to human beings. We can not live without them
A.
harbor
B.
function
C.
definite
D.
essential
【单选题】We can not make curry fried rice without ( ).
A.
pepper
B.
garlic
C.
saffron
D.
curry powder
【单选题】-- Can I have a day off tomorrow, Mr. Adam? --- ________. We can manage without you.
A.
Forget it
B.
Of course
C.
I’m afraid not
D.
It depends
【单选题】Water and air are to human beings. We can not live without them.
A.
harbour
B.
function
C.
definite
D.
essential
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