皮皮学,免费搜题
登录
logo - 刷刷题
搜题
【单选题】
在强直收缩中,骨骼肌细胞的动作电位:
A.
幅度增大
B.
幅度减小
C.
发生融合
D.
不发生融合
E.
以上均不是
手机使用
分享
复制链接
新浪微博
分享QQ
微信扫一扫
微信内点击右上角“…”即可分享
反馈
参考答案:
举一反三
【多选题】维生素D可以促进以下哪些营养素的吸收( )
A.
B.
C.
D.
【单选题】We can infer from the passage that______.
A.
existing enterprises would be moved and no new industry would be built there
B.
the place chosen added to the cost of the building because of unexpected extra work
C.
damage was done though the lake is still a beautiful place
D.
officials have decided to adopt the proposal of those people concerned
【单选题】Our words are meaningless and cannot be distinguished from their opposites, as can be proved by an example. People think that they know the difference between the meanings of 'bald' and 'having hair. ...
A.
The word 'bald' can be translated into other languages.
B.
A word can have more than one meaning.
C.
A word such as 'cat' can be applied to several animals that differ in some respects.
D.
Words can lack precision without being meaningless.
E.
People cannot think clearly without using words.
【单选题】So long as you work hard enough, a(an) _____ rod can be ground into a needle. (prov.)A.steelB.s
A.
170. So long as you work hard enough, a(an) _____ rod can be ground into a needle. (prov.) A.steel
B.
stick
C.
gold
D.
Iron
【简答题】整合资料过程中,以下方法的作用是什么,请一一对应。
【单选题】膳食中很多因素可影响锌的吸收,下列能促进锌吸收的因素是
A.
植酸
B.
膳食纤维
C.
维生素D
D.
铁离子
E.
鞣酸
【单选题】维生素C可促进人体对()的吸收
A.
B.
C.
D.
【简答题】下面是将乙肝病毒控制合成病毒表面主蛋白的基因HBsAg导入巴斯德毕赤酵母菌生产乙肝疫苗的过程及有关资料,请分析回答下列问题。 【资料1】巴斯德毕赤酵母菌是一种甲基营养型酵母菌,能将甲醇作为其唯一碳源,此时AOX1基因受到诱导而表达【5’AOX1和3’AOX1(TT)分别是基因AOX1的启动子和终止子】。 【资料2】巴斯德毕赤酵母菌体内无天然质粒,所以科学家改造出了图1所示的pPIC9K质粒用作...
【单选题】可促进锌吸收的有( )。
A.
高脂膳食
B.
乳糖
C.
维生素D
D.
植酸
E.
维生素C
【单选题】Which of the following facts is true according to the text?
A.
State-owned enterprises can make the most of foreign investment in the future.
B.
Foreign media companies can invest in multiple fronts including dance, film and news.
C.
Chinese media company will no longer be confined to governmental restrictions.
D.
Media enterprises from outside China has never managed to enter Chinese market.
相关题目:
参考解析:
知识点:
题目纠错 0
发布
创建自己的小题库 - 刷刷题