皮皮学,免费搜题
登录
logo - 刷刷题
搜题
【多选题】
下面哪一项是不是广义相对论的实验验证?()
A.
引力红移
B.
水星轨道近日点的进洞
C.
光线偏折
D.
以上都对
手机使用
分享
复制链接
新浪微博
分享QQ
微信扫一扫
微信内点击右上角“…”即可分享
反馈
参考答案:
举一反三
【简答题】A. Children should be taught to be more careful. B. Children shouldn't drink so much orange juice. C. There is no need for the man to make such a fuss. D. Timmy should learn to do things in the right ...
【单选题】You are really curious about chemistry and chemical reactions. You wonder what would happen if you mixed chemicals in a different way or introduced something new into a procedure. You should:
A.
Stomp that curiosity down. Chemists do what they are told. Nothing more, nothing less.
B.
Run with it.
C.
Get the
D.
Be applauded for your curiosity, imagination, and quest for innovation, but be very, very careful about altering procedures. If it's a lab experiment for a grade, don't deviate from the procedure. Otherwise, make a prediction about what could happen based on your observations. Research possible reactions and consequences before playing mix-and-match in the lab.
【单选题】在焙烧温度低于烧结范围,得到的色浅、敲击时音哑、孔隙率大、强度低、吸水率大、耐久性差的砖,叫做()
A.
适火砖
B.
欠火砖
C.
过火砖
D.
柴火砖
【单选题】下列不是常用的浸取溶剂的是( )
A.
乙醇
B.
乙酸
C.
D.
丙酮
【单选题】在焙烧温度低于烧结范围,得到的色浅、敲击时音哑、孔隙率大、强度低、吸水率大、耐久性差的砖,叫做()
A.
适火砖
B.
过火砖
C.
欠火砖
D.
柴火砖
【单选题】根据《中华人民共和国海关法》及《中华人民共和国进出口关税条例》的规定,纳税义务人应当在规定的时限内缴纳税款,逾期由海关征收滞纳金,这一规定的时限是 ( )。
A.
海关填发税款缴纳证之日起7日内(法定节假日除外)
B.
海关填发税款缴纳证次日起7日内(法定节假日除外)
C.
海关填发税款缴纳证之日起15日内(法定节假日除外)
D.
海关填发税款缴纳证次日起15日内(法定节假日除外)
【单选题】下列不是常用的浸取溶剂的是( )
A.
乙醇
B.
乙酸
C.
D.
丙酮
【单选题】根据《中华人民共和国海关法》及《中华人民共和国进出口关税条例》的规定,纳税义务人应当在规定的时限内缴纳税款,逾期由海关征收滞纳金,这一规定的时限是( )。
A.
海关填发税款缴纳书之日起7日内(法定节假日除外)
B.
海关填发税款缴纳书次日起7日内(法定节假日除外)
C.
海关填发税款缴纳书之日起15日内(法定节假日除外)
D.
海关填发税款缴纳书次日起15日内(法定节假日除外)
【单选题】–-You should be _______ careful when you take the chemistry exam. ---I agree. In this way, I will make _______ mistakes.
A.
more; less
B.
more; more
C.
less; fewer
D.
more; fewer
【单选题】–You should be _______ careful when you take the chemistry exam. --I agree. In this way, I will make _______ mistakes.
A.
more; less
B.
more; more
C.
more; fewer
D.
less; fewer
相关题目:
参考解析:
知识点:
题目纠错 0
发布
创建自己的小题库 - 刷刷题