叶片用水浸后,对光透视可见黑色或褐色条纹的药材为() A.泽兰 B.紫花地丁 C.金

题型:单项选择题 A1型题

问题:

叶片用水浸后,对光透视可见黑色或褐色条纹的药材为()

A.泽兰

B.紫花地丁

C.金钱草

D.广金钱草

E.穿心莲

考点:主管中药师全草类中药全草类中药题库
题型:单项选择题 A1型题

阅读理解

     I'm John. This is my brother Jack. This is our room. This is my backpack. It's on the bed. That'shis

back pack. It's on the chair. His computer gameis on it. Where's my computer game? Is it on the chair,

too? No, it isn't. It's under it! Our computer is on thedesk. An alarm clock is next to it. Our booksaren't

on the desk. They're in the bookcase. It'snext to the bed.

根据短文内容 ,判断下列句子的正 (T)误 (F)

( )1. This is an alarm clock. It's on the bookcase.

(     )2. John's backpack and his computer game are on the chair.

( )3. John's books are next to the computer on the desk.

( )4. The bookcase is under the bed.

( )5. The books are in the bookcase.

题型:单项选择题 A1型题

正常男性体细胞内染色体的组成情况是[ ]

A.22对常染色体和XY型性染色体  

B.23对常染色体和XX型性染色体  

C.22对常染色体和XX型性染色体  

D.45条常染色体和Y型性染色体

题型:单项选择题 A1型题

维拉帕米的主要作用机制是()

A.抑制钠内流

B.抑制钙内流

C.抑制钾内流

D.阻断β受体

E.延长动作电位时间

题型:单项选择题 A1型题

一颗硬盘中最多有几个logical partitions?()

A.1

B.12

C.4

D.16

题型:单项选择题 A1型题

允许在某机构理财产品剩余额度不足最低投资额度时,将该剩余额度销售给客户。

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