皮皮学，免费搜题
登录
搜题
【单选题】
关于肌丝滑行过程的叙述,错误的是; A. 肌节长度缩短 B.分解ATP并释放能量 C.ATP酶活性迅速增高 D.能与肌钙蛋白迅速结合 E.细肌丝向粗肌丝的M线方向滑行A.
1
B.
2
C.
3
D.
4
E.
5
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】为研究盛装浓硫酸的铁质材料(碳素钢)与热浓硫酸的反应,某学习小组进行了以下探究活动： [实验] 称取铁钉5.6g放入15.0mL浓硫酸中，加热，充分应后得到溶液X并收集到气体Y。 ①甲同学认为X中除 外还可能含有 。若要确认其中的 ，应选用 ( 选填序号）。 a.KSCN溶液和氯水 b.铁粉和KSCN溶液 c.浓氨水 d.酸性 溶液 ②乙同学取448mL（标准状况）气体Y通入足量...
【单选题】孟子提出的五伦规范是
A.
亲亲仁民爱物
B.
父慈子孝，兄良弟悌，夫义妇听，长惠幼顺，君仁臣忠。
C.
君君臣臣父父子子
D.
父子有亲，君臣有义，夫妇有别，长幼有序，朋友有信。
【单选题】Mind Those Manners on the Subway So, there you are, just sitting there in the subway car, enjoying that book you just bought.______(46) Or, the person sitting next to you takes out a nail clipper (指甲刀...
A.
Don’t eat food in your car．
B.
Don’t shout into your mobile phone on a bus or subway．
C.
We all know that some behaviors are simply unacceptable．
D.
Many people do this on subways，but it's really annoying．
E.
Getting off and on in an orderly manner can save time for all．
F.
Suddenly，you feel someone leaning over your shoulder reading along with you．第 46 题 请选择（46）处的最佳答案．
【单选题】Mind Those Manners on the Subway So, there you are, just sitting there in the subway car, enjoying that book you just bought. __________(46) Or, the person sitting next to you takes out a nail clipper...
A.
Don't eat food in your car.
B.
Don't shout into your mobile phone.on a bus or subway.
C.
We all know that some behaviors are simply unacceptable.
D.
Many people do this on subways, but it's really annoying.
E.
Getting off and on in an orderly manner can save time for all.
F.
Suddenly, you feel someone leaning over your shoulder reading along with you. 第 46 题 请选择（46）处的最佳答案．
相关题目：