问题 单项选择题

超声诊断下肢深静脉瓣功能不全的主要标准是()

A.深静脉瓣游离缘松弛、伸长

B.深静脉流速加快

C.交通支静脉反流

D.浅静脉曲张

E.Valsalva试验或挤压远端肢体放松后出现反流且持续时间>0.5s,症状明显者>1s

答案

参考答案:E

阅读理解

Last summer vacation I went to Taiwan with my parents.Taiwan is really beautiful! The weather is always warm and humid because the sea is around Taiwan.In the north,it’s cold in winter,but in the south,it is still warm in winter and you can enjoy sunshine every day.The typhoon(台风)season is from June to October.

There are many mountains in Taiwan.(A)A-li Mountain is one of the biggest mountain there.We went to climb A-1i Mountain one afternoon.There are many trees in the forest there. They are very tall and many of them are really old.

Sun Moon Lake is the largest natural lake in Taiwan.In the lake there are many kinds of fishes.

 (B)We also went to the beach and enjoyed the sunshineThere are many kinds of food in the small towns near the sea.Dumplings with shrimp(虾) in them are my favorite.

Taiwan, a beautiful island,I love it! I took many photos there .Would you love to see them?

根据短文内容,完成下列句子。

小题1:The writer spent the summer vacation with            .

根据短文内容,选择正确答案。

小题2:The trees in the forest in A-li Mountain are       .

A.tall and old

B.short

C.new

D.short and old小题3:将画线(B)处的句子翻译成汉语。

                                                             

小题4:画线(A)处句子有一处错误,请指出并改正。

                                                              

小题5:回答下列问题。

(1)What’s the weather like in Taiwan?

                                                                

(2)Where did the writer spend his/her vacation?

                                                                

填空题