皮皮学，免费搜题
登录
搜题
【单选题】
含羞草科的 为落叶乔木,2回偶数羽状复叶互生,昼展夜合;夏季绒花满树,头状花序成伞房状排列,雄蕊多数,粉红色花丝细长如绒缨。A.
紫荆
B.
伞房决明
C.
槐树
D.
合欢
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
【简答题】在蜗杆传动中，蜗轮的螺旋线方向应与蜗杆的螺旋线方向（）。
【单选题】In a survey of Americans who had used an online dating service, approximately _____ said that they had had a positive experience.
A.
one-quarter
B.
one-third
C.
one-half
【简答题】在蜗杆传动中,蜗轮的螺旋线方向应与蜗杆的螺旋线方向 ( ) 。
【单选题】I see from your resume that you've had a lot of experience in sales. ( )
A.
Yeah. I am sure this furniture will sell very well in this neighborhood.
B.
Well. I worked as a teacher. a nurse , a doctor and a lawyer In the last five years.
C.
Yes , my parents have a store. I used to work there after school.
相关题目：
参考解析：
知识点：
题目纠错 0
发布
