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【单选题】
硅胶吸附 TLC ,以苯 - 甲酸甲酯 - 甲酸( 5 .. 4 .. 1 )为展开剂,下列化合物 R f 值最大的是
A.
B.
-3-O- 葡萄糖苷
C.
-3-O- 芸香糖苷
D.
-3-O- 鼠糖苷
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皮皮学刷刷变学霸
举一反三
【多选题】大体积建筑物内部的混凝土应优先选择的有
A.
矿渣硅酸盐大坝水泥
B.
B矿渣硅酸盐水泥
C.
粉煤灰硅酸盐水泥
D.
火山灰质硅酸盐水泥
E.
抗硫酸盐硅酸盐水泥
【简答题】Complete each pair of the sentences with the correct form of the same verb, one as a present participle (-ing) and the other as a past participle (-ed). The first one has been done for you. 1. play I ...
【简答题】EXERCISE 8B Fill in a suitable noun in its appropriate form to collocate with the preceding determiner : 1. Janet couldn’t find any___on child care in the bookstore. 2. There is a stairway at either_...
【简答题】阅读理解。 Accident Report Form 1. What time did Mrs. Green call the police? A. At 9:30 p.m. B. At 9:40 p.m. C. At 9:45 p.m. 2. How many people were trapped in the car? A. One. B. Two. C. Three. 3. Whose l...
【单选题】下列不属于《腰椎病自我评估表》客观体征的是?(Which of the following is not the objective sign of the Lumbar Spondylosis Self-Assessment Form?)
A.
直腿抬高试验 (    Straight leg lifting test)
B.
运动障碍 (    Dyskinesia)
C.
步态行走能力 (    Gait walking ability)
D.
感觉障碍区 (    Sensory disturbance zone)
【简答题】阅读理解。 Accident Report Form 1. What time did Mrs Green call the police? [     ] A. At 9:30 a.m. B. At 9:30 p.m. C. At 9:40 p.m. D. At 9:45 p.m. 2. How many people were trapped in the car? [     ] A. On...
【简答题】阅读下列材料,回答问题。 材料一希腊古典人文主义是在对人性的探究与思索中逐渐形成的,其内在的本质是对人的灵魂的塑造和对理性精神的培养,倡导一种在善之普遍性原则指导下的生活。古典人文主义思想不仅深刻影响了西方文化传统。它对精神迷失、“无家可归”的现代人尤其具有启示意义。 ——黄伊梅《关于希腊古典人文主义的内涵与特质》 材料二中国古代人文主义者认为:在人与人之间应该保持一种和谐的关系,互相关心、...
【单选题】人文主义者没有提倡
A.
听音乐
B.
看画展
C.
饮酒
D.
庆祝宗教节日
【多选题】意大利人文主义运动没有公开与教廷决裂的原因
A.
教皇世俗化程度很高,对运动的阻碍并不强
B.
意大利人文主义者运动不够坚决彻底
C.
通过金钱交易,教皇可以对人文主义者提供政治保护
D.
经济上,罗马教廷是人文主义者的主顾
【简答题】Complete each pair of the sentences with the correct form of the same verb, one as a present participle (-ing) and the other as a past participle (-ed). The first one has been done for you. (play) I h...
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