问题 单项选择题

参与应激反应的最主要激素是

A.糖皮质激素
B.盐皮质激素
C.胰岛素
D.抗利尿激素
E.雄激素

答案

参考答案:A

解析:应激反应是以垂体-肾上腺皮质系统和交感-肾上腺髓质系统参加为主,并有多种激素参与的使机体抵抗力增强的非特异性反应,在此过程中ACTH、糖皮质激素与儿茶酚胺的分泌均增加。

完形填空

What do you do if you don't get into your first choice of university? That's the question      faces thousands of students in Britain every year.

Many students turn to Clearing, an education agency that helps      (find) university places for students at the last moment.       students don't have enough marks to get into their first choice of universities, Clearing tells them about places available at other universities, though they might have to study another subject.

But this year has seen a record number of students     want to study in universities. This means that there's been a fiecer competition for university places than usual. Education officials say six students competed for one place. It’s said almost 190,000 students still don't have a place in a university. That's a rise of over 46,000 students from last year.

       (face) with these numbers, some students are going to be disappointed, others might be thinking of an interesting choice: studying abroad. The University of Nottingham, for example, is offering places in Ningbo, near Shanghai.

                the problems with university entrance, the UK's Higher Education Minister, David Willetts, encourages students to study at home or to learn one kind of skills, such as cooking, hairdressing and so on .      some people say that rising university costs, less hope to find jobs in the future, and a drop in graduate recruitment(大学招生)mean it's      (bad) time to be a university student in the UK.

单项选择题 A1/A2型题