【简答题】肾脏的内分泌功能之一是分泌 A.促红细胞生成素 B.促白细胞生成素 C.促血小板生成素 D.以上都是
【单选题】促红细胞生成素(EPO)基因能在大肠杆菌中表达,但却不能用大肠杆菌工程菌生产人促红细胞生成素,这是因为( )。
C.
大肠杆菌内毒素与人EPO特异性结合并使其灭活
【单选题】Task 2 Directions: This task is the same as Task 1. The 5 questions or unfinished statements are numbered 41 through 45. The often criticized child of the industrial age, advertising has grown as soci...
A.
People think highly of advertising.
B.
People criticize advertising.
C.
Some people welcome advertising while others don't.
D.
There are more criticisms of advertising than praises.
【多选题】凡有下列情况之一者,劳动实践课成绩均为不及格:( )
【单选题】Task 2 Directions: This task is the same as Task 1. The 5 questions or unfinished statements are numbered 41 through 45. The most important thing when honoring guests from foreign countries is to acce...
A.
saying hello to them whenever you meet them
B.
accepting and understanding their different cultures
C.
sharing happiness and hardship with them
D.
helping them get what they hope for
【简答题】关于移动学习的内涵,下列说法正确的是: A. 是在数字化学习的基础上发展起来的 B. 学习者不再被限制在电脑桌前 C. 可以自由自在、随时随地进行不同目的、不同方式的学习 D. 学习环境是移动的,教师、研究人员、技术人员和学生都是移动的
【多选题】下列关于“为学习而写作”的活动类型的说法正确的是
A.
最简单的强化性写作的方式是教师常常让学生使用新学的语法写句子
B.
在准备性写作中,写作被用作其它活动的准备工作,尽管它不是一项活动的重点但却是一个非常有用的技巧
C.
活动性写作是指学生要用写作来进行活动,这些活动的目的是为了教学生写作
【单选题】促进红细胞生成的体液物质是LA.促红细胞生成素()
【单选题】Task 2 Directions: This task is the same as Task 1. The 5 questions or unfinished statements are numbered 41 through 45. Cambridge University provides opportunities for educational achievement which a...
A.
where students can extend their mastery of a major
B.
where students can learn a practical skill
C.
where only the rich students can go for study
D.
whose admission standard is low