皮皮学，免费搜题
登录
搜题
【单选题】
设函数 ,则该函数的驻点有( )个。A.
1
B.
2
C.
3
D.
4
拍照语音搜题，微信中搜索"皮皮学"使用
参考答案：
参考解析：
知识点：
皮皮学刷刷变学霸
举一反三
【单选题】According to the news, the plane crashed ______.
A.
shortly before it landed
B.
minutes after it took off
C.
after it cleared the mountain
D.
at the foot of the mountain
【简答题】选择吸收剂时,应从哪几个方面考虑?
【单选题】M: I like to walk outdoors after the rain. It smells fresh and looks greener. W: I agree. A nice time to walk outdoors is after it rains. [音频]
A.
She will not walk after it rains.
B.
She does not want to get wet feet.
C.
She thinks it is a nice time to walk.
D.
She likes walking after the rain if she has a coat to wear.
【单选题】The shape of Italy on a map has often been compared ______ a long Wellington boot.
A.
as
B.
to
C.
with
D.
against
相关题目：