皮皮学，免费搜题
登录
搜题
【单选题】
两个大小相同的碰撞，碰撞截面面积是横截面积的：A.
一倍
B.
两倍
C.
四倍
D.
八倍
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】There is a knock at the door. It is the third time I _____this afternoon
A.
am interrupting
B.
Interrupting
C.
have interrupted
D.
have been interrupted
【单选题】There is a knock at the door. Who do you suppose it is? In which is the speaker the most sure?
A.
It might be Sally.
B.
It may be Sally.
C.
It could be Sally.
D.
It must be Sally.
【简答题】There is a (knock) on the door.
【单选题】There is a knock at the door. It is the third time I this afternoon.
A.
am interrupting
B.
interrupted
C.
have interrupted
D.
have been interrupted
【单选题】以下关于白兰地的阐述正确的是( )。
A.
白兰地的原料是红葡萄
B.
白兰地的颜色来自于原料葡萄的颜色
C.
法国白兰地的主要产区是干邑和雅文邑
D.
大香槟区和小香槟区是雅文邑产区的两个小产区。
【简答题】下列面颅骨中,属于含气骨的是:
【单选题】【2012年湖南省职业技能鉴定试卷-中级车工理论知识考核】负前角仅适用于硬质合金车刀车削锻件、铸件毛坯和( )的材料。
A.
硬度低
B.
硬度很高
C.
耐热性
D.
强度高
相关题目：
参考解析：
知识点：
题目纠错 0
发布
