皮皮学，免费搜题
登录
搜题
【简答题】
将下列数据到小数点后 3 位: 3.14149 ; 2.71729 ;4.51452 ; 3.1650 ; 5.6235 ; 7.691499 ;
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】It is said the couple fell in love_____ they met.
A.
the first time
B.
the first time when
C.
for the first time that
D.
when that
【单选题】如图所示的平面机构中，曲柄OA长100mm，以角速度ω=2rad/s转动。连杆AB带动摇杆CD，并拖动轮E沿水平面纯滚动。已知：CD=3CB，图示位置时A，B，E三点恰在一水平线上，且CD⊥ED。求：此瞬时点E的速度。【图片】
A.
VE=0.23m/s
B.
VE=0.62m/s
C.
VE=0.8m/s
D.
VE=0.55m/s
【判断题】Often the exact length of an engagement bases upon how quickly it takes the couple to save up for and arrange the wedding.
A.
正确
B.
错误
【单选题】You’d better bring a raincoat ______ it is fine now.
A.
because
B.
in case
C.
even if
D.
even though
【单选题】Although the couple didn’t choose to sleep in the wild instead of in the hotel, it_______ unexpectedly beautiful.
A.
turned around
B.
turned down
C.
turned out
D.
turned up
相关题目：
参考解析：
知识点：
题目纠错 0
发布
