胸痹之痰浊壅塞证候的特点是 A．胸部刺痛，入夜尤重 B．胸闷隐痛，时作时休

阅读理解

Mary has a room. It’s a big and nice room. It’s bright and clean (明亮清洁的). There are some pictures on the front wall. On the back wall there is a map of China.

There is a desk and a chair in her room. Her backpack is behind the chair. Some books and her pencil-case are on the desk. There are some color pencils, a pen, a ruler, and a knife in the pencil-case. Mary’s bed is near the desk. Her shoes and a volleyball are under the bed.

Mary and her friends are often in her room. They usually listen to music there. Mary likes English and Chinese very much. But she doesn’t like math. It’s to difficult for her. Mary’s Chinese teacher is Mr. Wang. The students all love him, he is very strict, but sometimes very funny.

小题1:Mary’s room is __________________________.

A．too small

B．big and nice

C．bright and clean

D．both B and C小题2: The volleyball is _______________________.

A．on the desk

B．on the wall

C．under the bed

D．behind the chair小题3: Mary likes ______________________________.

A．playing the guitar

B．playing soccer

C．going to movies

D．listening to music小题4:Mr. Wang------- ______________________________.

A．is an English teacher

B．is busy and strict

C．doesn’t like his students

D．is Mary’s Chinese teacher小题5: Which is right(正确的)?

A．There is a map of China on the front wall

B．Mary’s backpack and books are on the desk

C．English and Chinese are Mary’s favorite subjects（最喜欢的科目）

D．Mary doesn’t like her Chinese teacher

如图所示，弹簧测力计下挂着铁块P，其正下方的水平地面上放着一块条形磁铁Q，P和Q均处于静止状态。已知P和Q的重力分别为G和3G，若弹簧测力计的示数为2G，则下列说法正确的是

A．P对弹簧测力计的拉力大小为G

B．P对Q的吸引力和地面对Q的支持力大小分别为G和2G

C．P对Q的吸引力和Q对P的吸引力是一对平衡力，大小均为G

D．弹簧测力计对P的拉力和Q对P的吸引力是一对平衡力，大小分别均为2G

便宴的冷菜成本应该控制在整个宴席的（）。

A.15％

B.25％

C.10％

D.18％

关于WHO推荐的葡萄糖耐量试验，正确的是（）

A.口服葡萄糖100克

B.糖耐量减低即可诊断糖尿病

C.口服糖耐量试验前3日，每日碳水化合物摄入量应少于250克

D.空腹血糖小于7mmol／L，不必做此检查

E.同步查尿糖，可大致判断肾糖阈

自艾滋病被发现那天起，科学家就通过国际合作致力于研制让健康人免于感染的疫苗。2009年9月24日，美国和泰国研究人员共同研制出了具有免疫效果的艾滋病“联合疫苗”。这种“联合疫苗”是由两种疫苗组成，其中一种负责刺激免疫系统，使其做好攻击艾滋病病毒的准备；第二种则担当“助攻手”，负责增强免疫反应。下图为人体免疫的部分过程示意图，请回答：

艾滋病病毒进入人体后，图示①②③中可能发生特异性免疫的是（）（填序号）。