皮皮学，免费搜题
登录
搜题
【多选题】
我国法定计量单位制的构成有_______。A.
国际单位制(SI)的单位
B.
国家选定的其他计量单位
C.
国际单位制单位与国家选定的其他计量单位的组合
D.
国家单位制CI
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】阅读短文，选择正确答案。 As many as 10 of the 17 kinds of penguins (企鹅) may be in er of disappearing. The number of penguins have decreased (减少) by 30% since 1987. Penguins are black and white birds that live...
【单选题】. ____________ the dinosaurs disappea red still remains a mystery.
A.
whether
B.
that
C.
if
D.
Why
【单选题】The old concerns lose importance and some of them vanish altogether.
A.
develop
B.
disappear
C.
link
D.
renew
【简答题】What does the underlined word ' stifling' ( Paragraph 1) probably mean? [ A] Disappearing gradually. [ B ] Giving out into the air. [ C ] Hot and breathless. [ D ] Pleasing and comfortable.
【单选题】I stood there until the plane _____ in the sky. [ ]
A.
has disappeared
B.
disappeared
C.
had disappeared
D.
would disappeared
【单选题】What is Robert worried more about?
A.
Mankind.
B.
Global warming.
C.
Earth's survival.
D.
Disappearing glaciers.
相关题目：
参考解析：
知识点：
题目纠错 0
发布
