皮皮学,免费搜题
登录
搜题
【单选题】
血浆pH值主要决定于血浆中哪种缓冲对()
A.
KHCO3/H2CO3
B.
NaHCO3/H2CO3
C.
Na2HPO4/NaH2PO4
D.
蛋白质—Na/蛋白质
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】Animals that are good sleepers ______.
A.
need to have a good sleep after they have exhausted themselves by getting rid of hunting animals
B.
need to have a good sleep after they get tired from hunting other animals
C.
are all mammals
D.
almost always have a safe resting place
【单选题】It is good for you in your future life____ English.
A.
have good knowledge of
B.
to have good knowledge of
C.
to have a good knowledge of
D.
has a good knowledge of
【单选题】—It was a wonderful trip. So,which c让y did you like better,Paris or Rome?— . There were good things and bad things about them.
A.
It's hard to say
B.
I didn't get it
C.
You must be kidding
【判断题】目前造成环境污染的因素大体上可分为物理的、化学的与生物的三方面,它们是造成环境质量下降的主要原因,其中化学物质约占70---80%。( )
A.
正确
B.
错误
【简答题】Every one of us, rich or poor,should at least have one or two good friends. I learned that a true friend is the most important in my life after I had gone so many terrible things. I felt upset when I ...
【单选题】People in the plane can______.
A.
have a good sleep
B.
have some small gifts
C.
buy some duty-free things
【单选题】图纸会审应由( )整理会议记要,与会各方会签。
A.
设计单位
B.
施工单位
C.
监理单位
D.
建设单位
【简答题】What are some good things about each place? And what are some bad things?
【单选题】[低压电器类]按钮、行程开关、万能转换开关等电器属于( )
A.
自动电器
B.
执行电器
C.
主令电器
D.
保护电器
【单选题】—Which movie do you like better,Zootopia or The BFG? —________.There are good things and bad things about them.
A.
It's hard to say
B.
I didn't get it
C.
You must be kidding
D.
Couldn't be better
相关题目: