下列风湿性心肌炎的临床表现哪项错误A．出现期前收缩和心动过速 B．心率增快 C．心前

都含有通假字的一项是（   ）

A．厚币委质事楚法令亡常

B．自疏濯淖污泥之中所赖君子见机

C．夙遭闵凶遥襟甫畅逸兴遄飞

D．早生华发因泣下沾衿

具备安装条件的顾客提出安装需求后，若顾客自备操作系统为非正版，（）安装。

A、可以

B、直接拒绝

C、耐心解释后拒绝

不属于萎缩的器官是

A．高血压病的肾脏

B．肾结核的肾脏

C．慢性肾小球肾炎的肾脏

D．肾盂积水的肾脏

E．动脉粥样硬化症的肾脏

[解析] 他成天往外跑，又不是铁打的，这不，说倒下就倒下了。 问：他怎么了？（）

A．出差了 

B．受伤了 

C．病倒了 

D．摔倒了

When a disease of epidemic proportions threatens the public, scientists immediately get to work, trying to locate the source of affliction and find ways to combat. Vaccination is one of the effective ways to protect the (1) population of a region or country which may be (2) grave risk. The process of vaccination allows the patient’s body to (3) immunity to the virus or disease so that, if it is encountered, one can fight it (4) naturally. To accomplish this, a small weak or dead (5) of the disease is actually injected into the patient in a controlled environment, (6) his body’s immune system can learn to fight the invader (7) . Information (8) how to penetrate the disease’s defenses is (9) to all elements of the patient’s immune system in a process that occurs naturally, in which genetic information is passed from cell to cell. This makes sure that (10) the patient later come into contact with the real problem, his body is well equipped and trained to (11) with it, having already done so before.

There are, however, dangers (12) in the process. (13) , even the weakened version of the disease contained in the vaccine proves (14) much for the body to handle, resulting in the immune system (15) , and, therefore, the patient’s death. Such is the case of the smallpox vaccine, (16) to eradicate the smallpox epidemic that nearly (17) the whole Native American population and killed massive numbers of settlers. (18) 1 in 10,000 people who receive the vaccine (19) the smallpox disease from the vaccine itself and dies from it. Consequently, the process, which is truly a (20) , may indeed hide some hidden curses.

3（）

A.eliminate

B.identify

C.develop

D.deliver