皮皮学，免费搜题
登录
搜题
【单选题】
You should turn off your mobile phone when the plane ( ).A.
takes in
B.
takes up
C.
takes off
手机使用
分享
复制链接
新浪微博
分享QQ
微信扫一扫
反馈参考答案：
举一反三
【单选题】小儿每日补充生理需要，所需液量为
A.
20～50ml／kg
B.
40～60ml／kg
C.
60～80ml／kg
D.
80～100ml／kg
E.
100～120ml／kg
【单选题】–-How do you find the book? --________.
A.
Quite by accident
B.
From a bookstore
C.
Under the desk
D.
Very disappointing
【单选题】---Do you think he will do me a favor? ---As far as I know, he is the last one ___ others. He ___ be prepared to give you a hand, though.
A.
to help, might
B.
helping, must
C.
to help , can
D.
helping, should
【简答题】强化理论认为人的行为是对其()的函数。
【单选题】If someone holds a book 6 feet directly in front of Denis and then moves it only 1 foot directly in from of him, what change in sound does Dennis hear?
A.
A lover-pitched sound.
B.
A higher-pitched sound.
C.
A sharper sound
D.
A softer sound.
【简答题】a multi-purpose machine tool
【单选题】—Do you think he will do me a favor? —As far as I know，he is the last one to help others.He_______be prepared to give you a hand，though.
A.
must
B.
might
C.
can
D.
should
相关题目：
参考解析：
知识点：
题目纠错 0
发布
