皮皮学，免费搜题
登录
搜题
【单选题】
下列叙述正确的是( )。A.
有机蔬菜的“有机”和有机化学的“有机”是同一个概念。
B.
有机化学是研究生命体中的化合物的科学
C.
有机化学是研究碳氢化合物及其衍生物的科学，包括碳酸氢钙等。
D.
有机化学是研究有机化合物的组成、结构、性质及其变化规律的科学。
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】Wh o is not the r epresentative figures of Peking Opera?
A.
Cheng Yanqiu
B.
Meng Xiaodong
C.
Mei Lanfang
D.
Xun Huisheng
【简答题】［A］figures ［B］exhibits ［C］convinces ［D］speculates
【单选题】Which of the following is TRUE regarding the tables or figures in the results section?
A.
You should interpret the numbers in the tables or figures
B.
You should explain the numbers in the tables or figures
C.
There is no need to explain the numbers in the tables or figures
【单选题】Based on Figures 1 and 2, for a given mass of O2 at 22°C, how does the pressure exerted by the O2 in a 6 L vessel compare to the pressure exerted by the O2 in a 3 L vessel? In the 6 L vessel, the O2 p...
A.
as great as in the 3 L vessel.
B.
the same as in the 3 L vessel.
C.
2 times as great as in the 3 L vessel.
D.
4 times as great as in the 3 L vessel.
【单选题】Too much of this report is ________ with out-of-date figures.
A.
taken on
B.
taken in
C.
taken up
D.
taken over
【单选题】At last they _______ three figures moving in the distance.
A.
turned out
B.
made out
C.
worked out
D.
found out
相关题目：
参考解析：
知识点：
题目纠错 0
发布
