皮皮学,免费搜题
登录
搜题
【单选题】
下列哪项不是有机化学作为一门独立学科的原因:
A.
有机化合物数目特别多,且增加很快
B.
有机化合物的结构特点和性质特点不同于无机物
C.
有机化合物中存在大量同系列和同分异构现象
D.
有机结合物用途多
拍照语音搜题,微信中搜索"皮皮学"使用
参考答案:
参考解析:
知识点:
.
..
皮皮学刷刷变学霸
举一反三
【单选题】Infants' ticket fare in domestic flights is ________ of the normal adult fare.
A.
free
B.
20%
C.
50%
D.
10%
【单选题】The number of WBC in normal adult ’ s blood is
A.
(3.5 ~ 5.0)×10 12 个 /L
B.
(3.5 ~ 5.0)×10 12 /mL
C.
(4.0 ~ 10)×10 9 /L
D.
(4.0 ~ 10)×10 9 /μL
E.
(0.4 ~ 1.0)×10 12 /L
【单选题】Infants’ticket fare in domestic flights is ________ of the normal adult fare.
A.
half
B.
10%
C.
20%
D.
free
【单选题】During the cardiac cycle of a normal healthy young adult:
A.
During the initial stage of ventricular contraction the volume of the ventricle does not change.
B.
During ventricular diastole the pressure in the left ventricle is close to 80 mm Hg (10.6 kPa).
C.
During ventricular systole, all the blood in the ventricles is ejected.
D.
At the end of ejection, the blood pressure reached the highest level.
【单选题】Kate was not sure_______.
A.
that she should go through the third gate
B.
if she should go through the third gate or not
C.
which gate should she go through
D.
which gate she should go through
【单选题】【C14】
A.
go about
B.
go over
C.
go in for
D.
go through
【判断题】万用表交流电压档使用时是没有正、负极性之分的。
A.
正确
B.
错误
【单选题】Infants’ ticket fare in domestic flights is ________ of the normal adult fare.
A.
10%
B.
50%
C.
20%
D.
free
【单选题】Kate was not sure _____. [     ]
A.
that she should go through the third gate
B.
if she should go through the third gate or not
C.
which gate should she go
D.
which gate she should go through
【单选题】The number of WBC in normal adult ’ s blood is
A.
(3.5 ~ 5.0)×10 12 个 /L
B.
(3.5 ~ 5.0)×10 12 个 /ml
C.
(4.0 ~ 10)×10 9 /L
D.
(4.0 ~ 10)×10 9 /μL
E.
(0.4 ~ 1.0)×10 12 /L
相关题目: