问题 不定项选择

不具有靶向性的制剂是

A.静脉乳剂

B.毫微粒注射液

C.混悬型注射液

D.脂质体注射液

E.口服乳剂

答案

参考答案:C,E

解析:解题思路:靶向制剂是近年来发展起来的,分为被动靶向和主动靶向,被动靶向包括脂质体、毫微粒、微球、静脉乳剂、复合乳剂等。而混悬型注射剂中微粒处 于不稳定状态,粒子易产生絮凝或聚集,不宜作静脉注射,没有靶向性,只能肌内注射。口服乳剂由于乳滴分散度大,胃肠道中吸收快,但不能以乳滴状态进入体循 环,故不具有靶向性。

阅读理解

“Who needs a shopping mall if you have Taobao(淘宝)? I am aTaobaoer, ” says Wangfang, 28,a writer in Beijing. Taobao, China’s largest online shopping site She spends half of her salary(薪水) on Ta, has become an important part of Wangfang’s life. obao.

A growing number of Chinese Internet user like Wang have found the pleasure of online shopping. Most online shoppers are students or young workers. People can find almost everything they need online, from clothes to books, from candy to DVD players. And clothing and home-use products are the most popular goods bought online.

The biggest attration for buyers is the low price of online goods. Buyers can also check the information easily. They can compare the prices of the same kind of goods from different sellers, and choose the cheapest one. When someone asks her about the safety of online shopping, Wangfang said,“It’s very safe and easy. If you can’t receive the goods from the sellers or are not satisfied with them, the shop owner will not get the money. You can also get a refund If you give the goods back.”

小题1:What goods do people like to choose online best?

A.Clothing          B.Candy           C. Books

小题2:Buying goods online is usually      than buying them from the shopping mall.

A.faster            B.safer            C. cheaper

小题3:The underlined word “refund”means        in Chinese..C

A.补偿金          B.退款            C.欠款

小题4:From the passage we can learn       .

A.Taobao is the largest site of online shopping in the world 

B. Wangfang spends most of the money she makes online shopping

C.more and more Chinese enjoy shopping online

小题5:The passage mainly talk about_____

A. a shopping mall   B.Taobao       C. online shopping 

单项选择题