【单选题】“Your presentation is really wonderful!” is an example of ________.
B.
signal your intention of asking a question
C.
complimenting on the speaker’s presentation
【多选题】How to select the main points in your presentation?
A.
include no more than ten major points in one presentation.
B.
include no more than five major points in one presentation.
C.
identify absolutely essential points to accomplish your purpose.
E.
Consider your audience.
F.
Compare your major points to your purpose.
G.
Consider the occasion.
【单选题】“Your presentation is really wonderful!” is an example of ________.
B.
signaling your intention of asking a question
C.
complimenting on the speaker’s presentation
【单选题】—You did an excellent job yesterday, Jim! I really enjoyed your presentation.—Oh yeah, it was fabulous. It seems the English program is a great way to practice English. —Yeah. It is fun and motivating...
B.
Oh, thank you. You are so kind.
C.
Really? What about yours?
D.
Not at all. My pleasure.
【单选题】下列选项中,属于科学领域的发展目标的是( )。
【单选题】下列有关果酒、果醋和腐乳制作的叙述,正确的是 [ ]
B.
果酒制成后只需将装置转移至温度较高的环境中即可制作果醋
D.
在腐乳装瓶时自下而上随层数的增加逐渐减少盐量
【单选题】细胞外液中的钾离子浓度升高时,可使 ( ) A. 静息电位增大 B.静息电位减小 C.动作电位增大 D. 细胞的兴奋性增强 E. 动作电位减小
A.
静息电位增大 静息电位减小 C.动作电位增大 D. 细胞的兴奋性增强 E. 动作电位减小
B.
静息电位减小 动作电位增大 D. 细胞的兴奋性增强 E. 动作电位减小
C.
动作电位增大 细胞的兴奋性增强 E. 动作电位减小
【单选题】(附加题)下列关于果酒和果醋制作的叙述不正确的是 [ ]
A.
它们所需的微生物分别是酵母菌、醋酸菌,两者的主要区别在于有无核膜包围的细胞核
B.
发酵之前要将发酵瓶清洗干净,用体积分数为70%的酒精消毒
D.
上图中长而弯曲的管1在发酵过程中的作用是排出CO 2 并防止空气中杂菌的污染
【单选题】197球管平衡现象的机理是()。
A.
肾小球滤过率增大时,近球小管的重吸收率也随之提高
B.
近球小管的重吸收率增大时,肾小球滤过率也随之提高
D.
近球小管的重吸收率减小时,肾小球滤过率随之降低