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【单选题】
下列有关炎症防御作用的描述,不恰当的是( )A.
液体渗出有利于稀释毒素
B.
白细胞渗出有利于吞噬病原体和坏死组织
C.
渗出液越多,防御作用越明显
D.
炎症局部淋巴结肿大具有一定的防御作用
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皮皮学刷刷变学霸
举一反三
【单选题】饮茶器具的质地多种多样,主要以陶瓷器为主。下列有关陶瓷器在每个时代的特点的叙述,正确的是()。1新石器时代-----土陶2秦汉时期----釉陶3北宋时期----紫砂陶4唐代时期----黑陶
A.
①②③
B.
①②④
C.
①③④
D.
②③④
【单选题】外耳道炎的健康教育,错误的是( )
A.
戒除挖耳的习惯
B.
游泳后要擦干外耳道
C.
洗头或沐浴时勿让污水进入
D.
反复发作者注意排除糖尿病
E.
经常用酒精擦洗外耳道
【简答题】Complete the following sentences with " needn't have done " or " didn't need to do ". 1. We had to stop at the frontier but we_______________(open) our cases. 2. The sun came out so we_____________(ta...
【简答题】乌龙茶
【单选题】Welcome to my birthday party, but you needn't ______ any present.
A.
bring
B.
bringing
C.
brought
D.
have brought
【单选题】There ______ be any difficulty about passing the road test since you have practiced a lot in the driving school . A. mustn’t B . shan't C. shouldn't D. needn't
A.
B.
C.
D.
D
【单选题】You have something important to do. You waste any time.
A.
needn't
B.
mustn't
C.
may not
【简答题】I.单项选择(30分) ( )1.-you are too tired. You ______ rest and ______ go to work. A.should;should B.shouldn't;shouldn't C.should;shouldn't ( )2.My grandpa has a sore ______ and can't walk. I think he s...
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