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【单选题】
下列关于Windows(中文版)文件管理的叙述中,错误的是_____________ 。A.
子文件夹中既可以存放文件，也可以存放文件夹，从而构成的目录结构
B.
根文件夹（根目录）中只能存放文件夹，不能存放文件
C.
文件的属性若是“系统”，则表示该文件与操作系统有关
D.
文件夹的名字可以用英文或中文
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【单选题】关于Lp(a)生物学特性叙述错误的是
A.
Lp(a)含有ApoB100和Apo(a)
B.
Apo(a)与纤溶酶原具有高度同源性
C.
Lp(a)是动脉粥样硬化性疾病的独立危险因素
D.
Lp(a)在脂蛋白电泳时位于β-脂蛋白及前β-脂蛋白之间
E.
Lp(a)可促进胆固醇外流、胆固醇酯化以及胆固醇清除
【简答题】听句子，选答语。 ( )l. A. Do some shopping. ( )2. A. No, he doesn't. ( )3. A. Thank you very much. ( )4. A. By asking your parents. ( )5. A. I like music. B. Do some reading. B. I don't t...
【单选题】声学造影右室内可见负性造影区
A.
左心室内可见乳头肌的断端
B.
回声中断处彩色多普勒可见室水平右向左分流
C.
急性心肌梗死室间隔穿孔，左向右分流
D.
室壁回声中断，邻近的心腔外局限性无回声区
E.
由心肌的瘢痕组成
【简答题】I. Match ing A ( )1. Thank you so much for ( )2. You were so kind to ( )3. It was thoughtful of you to ( )4. I would like to thank you for taking the time to B (a) invite me to your birthday pa...
【简答题】用所给词的适当形式填空。 1. Thank you very much for (help) me so much. 2. When I (walk) in the street, I (meet) him. 3. Liu Hua (buy) a grammer book yesterday. 4. His son (study) English in England last year. 5. ...
【单选题】Which of the following best describes the hypothesis of Hoyle and Wickramashinghe?
A.
Molecules of interstellar formaldehyde can evolve into complex organic molecules.
B.
Interstellar formaldehyde can be synthesized by tunneling.
C.
Cosmic rays can directly synthesize complex organic molecules.
D.
The galactic clouds are the places where prebiological evolution of compounds necessary to life occurred.
【单选题】关于Lp(a)生物学特性叙述错误的是
A.
Lp(a)含有ApoB100和Apo（a）
B.
Apo（a）与纤溶酶原具有高度同源性
C.
Lp(a)是动脉粥样硬化性疾病的独立危险因素
D.
Lp(a)可促进胆固醇外流、胆固醇酯化以及胆固醇清除
【多选题】Classify each of the following solid elements as molecu lar, metallic , ionic, or covalent network. a. tin, Sn b. germanium, Ge c. sulfur, S 8 d. iodine, I 2
A.
a metallic
B.
b covalent network
C.
c molecu lar
D.
d molecu lar
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