皮皮学，免费搜题
登录
搜题
【单选题】
没有缩颈现象的金属材料是________。A.
中碳钢
B.
合金钢
C.
低碳钢
D.
灰铸铁
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】______I went abroad for further study.
A.
At times
B.
At a time
C.
At one time
D.
At any time
【单选题】There ( ) many great changes in my hometown since I went abroad.
A.
were
B.
have been
C.
have
D.
are
【简答题】半导体中存在的两种携带电荷参与导电的“粒子”,称为________ 。
【单选题】________ I went abroad I could hardly understand what the foreigners said.
A.
For the first time
B.
The first time
C.
At the first time
D.
The first time which
【单选题】Business will still be _________ unless your price proves attractive in the future.
A.
easy
B.
easier
C.
difficult
D.
difficulty
【单选题】“In no condition you are a Chinese.” Dad told me before I went abroad.
A.
you should forget
B.
forget you
C.
shouldn’t you forget
D.
should you forget
【简答题】建筑构成三要素中,( )居主导地位。
【简答题】When you are starting a small business, you should write a business plan. Writing a business plan is the most important 1_______. This is how people will think about your business. When you 2_________...
相关题目：
参考解析：
知识点：
题目纠错 0
发布
