搜题请搜索小程序“爱下问搜题”
问题 填空题

（1）用图a所示的方法收集CO2，为了检验是否集满，将____________放在集气瓶口。（2）用图b所示方法蒸发食盐水，仪器X的名称是_____________，仪器Y的名称是_____________。

答案

（1）燃着的木条

（2）蒸发皿；酒精灯

单项选择题 共用题干题

患者年轻男性，反复咳嗽半年入院，行胸片、结核抗体及PPD检查，诊断为肺结核。

Koch现象是机体对结核杆菌初感染和再感染所表现出的不同免疫应答反应的现象，以下说法正确是（）。

A.初次应答产生的抗体为高亲和性抗体

B.初次应答产生的抗体主要是IgG分子

C.再次应答则主要为IgM分子

D.再次应答为高亲和性抗体

E.再次应答为低亲和性抗体
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完形填空

第二节: John, Carol, James, Mike and Jane五人打算买房，根据他们的需求，请从A—F的住所
描述广告中，分别帮他们找到合适的房子。并在答题纸上将该选项标号涂黑。选项中有一项
是多余的选项。
61．John, a successful businessman, and his wife want to buy a very fine home with a wonderful kitchen.
62．Carol, outgoing and fond of entertaining people, is looking for a home with a fireplace, a pool and a sauna.
63．James and Sandra, sports-lovers, want to live where they can take their children for walks on trails very close to their home.
64．Mike, keen on farms and the country, wants to own a property where he can raise animals in his spare time.
65．Jane, owning a company and doing a lot of housework, is looking for a home with a large area that can be used for her business
 
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