皮皮学,免费搜题
登录
搜题
【单选题】
用原子吸收光谱法测定钙时,加入()是为了消除磷酸干扰。
A.
EBT
B.
氯化钙
C.
EDTA
D.
氯化镁
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
【简答题】Most people find it difficult to describe the _______ system of their own culture, just as native speakers of a language are usually unable to describe the ________ rules of that language unless they ...
【单选题】Smoking can be dangerous.
A.
true fact
B.
false fact
C.
reliable opinion
D.
unreliable opinion
【单选题】Http是( )。
A.
网址
B.
域名
C.
高级语言
D.
超文本传输协议
【单选题】I have to make breakfast for five people, ______ me.
A.
among
B.
against
C.
including
D.
beside
【多选题】国家机关的立法活动必须遵循法定的程序,包括( )。
A.
律案的提出
B.
律案的审议
C.
律案的表决
D.
律案的公布
【简答题】Mitsuaki recently arrived in the United States to enter the university. He wants to do well in his studies and 31 the new culture But Mitsuaki has a problem. It's not his teachers. It's not even his 3...
【单选题】平面运动链成为具有确定运动机构的条件是其自由度数等于( )。
A.
1
B.
从动件数目
C.
原动件数目
【单选题】Excuse me for breakfast in, ______I have some news for you.
A.
so
B.
and
C.
but
D.
yet
【单选题】虚寒性呕吐的特点是:
A.
干呕无物
B.
吐物清稀
C.
吐物酸腐
D.
喷射呕吐
E.
朝食暮吐
【单选题】Smoking Can Increase Depressive Symptoms in Teens While some teenagers may puff on cigarettes to 'self - medicate' against the blues, scientists at the University of Toronto and the University of Mont...
A.
examine
B.
increase
C.
decrease
D.
diagnose
相关题目: