皮皮学,免费搜题
登录
搜题
【单选题】
反应 2A +B→C 的速率方程式为 v = kc 2 (A)∙ c (B) ,则速率常数 k 的单位是
A.
(浓度) ∙ (时间)
B.
(浓度) –1 ∙ (时间) –1
C.
(浓度) –2 ∙ (时间) –1
D.
(浓度) 2 ∙ (时间) –1
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】肾癌病人肾脏部分切除术后应卧床
A.
1~2天
B.
2~3天
C.
3~5天
D.
5~7天
E.
7~14天
【判断题】甲类工程是固定资产方向调节税税率为0%的投资项。
A.
正确
B.
错误
【单选题】如图是一种可测定油箱内油面高度的装置, R ′是定值电阻, R 是滑动变阻器,它的金属滑片是杠杆的一端,油量表由电流表改装而成,通过两只电表的示数变化可以反映油面的高度变化.关于此装置的工作原理,下列说法中正确的是 [ ]
A.
当油面高度升高时,油量表示数减小
B.
当油面高度升高时,电压表示数增大
C.
当油面高度降低时,油量表示数增大
D.
当油面高度降低时,电压表示数不变
【单选题】直肠肛管周围脓肿的分类中,最多见的是()
A.
直肠后间隙脓肿
B.
肛周皮下脓肿
C.
直肠粘膜下脓肿
D.
骨盆直肠间隙脓肿
E.
坐骨肛管间隙脓肿
【单选题】— Hello, everyone! Have you heard the meeting will be put off? — Yeah, that’s what we about when
A.
24. — Hello, everyone! Have you heard the meeting will be put off? — Yeah, that’s what we         about when you came in. A.were talking
B.
are talking
C.
have talked
D.
had talked
【单选题】--- Hello, everyone! Have you heard the meeting will be put off till next Tuesday? --- That’s what we_________about when you came in.
A.
are talking
B.
were talking
C.
talk
D.
talked
【单选题】听力原文:M: Hello everyone. Thank you for listening. Today's topic is organic farming and organic food, and we have invited Dr. Scott to our program who is a scientist from Washington State University. W:...
A.
It's about the change of people's taste.
B.
It's about the organic food and organic farming.
C.
It's about the development of agriculture.
D.
It's about the healthy problem.
【多选题】开展辅助生殖医疗机构需要符合以下的条件:
A.
具有与开展技术相适应的卫生专业技术人员和其他专业人员
B.
具有与开展技术相适应的技术和设备
C.
设有医学伦理委员会
D.
符合卫生部指定的《人类辅助生殖技术规范》
【简答题】子目的比较只能在( )数级上进行。
【简答题】阅读理解 Hello, everyone! Good news for you! Hualian's fantastic sale! You want it, and we have it at a very good price. Do you like them at low prices? We have sweaters in all colors at 50 yuan each! Do ...
相关题目: