某男，50岁，左侧鼻塞渐加重十年，夜间明显。无明显头痛及嗅觉障碍。无鼻出血。既往少年

颈外动脉和颈内动脉鉴别的要点有（）。

A.颈内动脉初在颈外动脉的后外侧，继在后内侧

B.颈内动脉在颈部无分支，颈外动脉在颈部发出一系列分支

C.阻断颈外动脉，同时触摸颞浅动脉时无搏动

D.颈内动脉比颈外动脉粗

E.颈外动脉在体表可触及搏动

丙酸睾丸酮的不良反应包括 （）

A.毛发增多

B.座疮

C.心动过速

D.体重增加

E.肝功能损害

混凝土拌合物的坍落度评定应以（）的测值为准。

A.拌合站 

B.浇筑地点 

C.试验室 

D.泵车内

When you stop and think about your high school or college alma mater, were your experiences more positive or negative Do your feelings of (1) in that school have anything to do with whether or not your school was single-sex or coed (2) to send their children to single-sex schools, because they feel both (3) when they study in the company of students of the same sex. They (4) .
For years, only parents who could afford to send their children to private schools, or who had (5) , chose single-sex education for their children. Single-sex schooling was (6) for most American families. Today, however, along with (7) , public schools are experimenting with the idea of (8) .
Girls may be the ones who benefit most from single-sex schooling. Studies have shown that (9) in coed classrooms because teachers sometimes pay more attention to boys. Girls’ (10) toward their studies tends to disappear as they begin to feel less successful. They start to (11) outperform them in math and science. As boys (12) , girls start to lose it. Moreover, adolescence is (13) for girls. As they experience adolescent changes, some girls become depressed, develop an addiction, or suffer from (14) .
In the early 1990s, some influential people said that being in single-sex classes could (15) . Schools across the country began creating single-sex classrooms and schools. But many critics claim that (16) may actually be detrimental to a girl’s education because they (17) of sex differences.
The renewed interest in single-sex schooling (18) among Americans. Those who give it full endorsement believe girls need an all-female environment to take risks and find their own voices. Those who (19) of single-sex schooling wonder whether students’ lack of achievement warrants returning to an educational system that divides the sexes. They believe there is no (20) .

根据《中华人民共和国对外贸易法》，因第三国限制进口而导致某种产品进入我国市场的数量大量增加，对已建立的国内产业造成损害或者产生损害威胁，或者对建立国内产业造成阻碍的，国家可以采取必要的救济措施，禁止该产品进口。 ( )