What does the author say about today’s college experience?
A. It is different for male and female students.
B. It is not the same as that of earlier generations.
C. It is more exhausting than most women expect.
D. It is not so satisfying to many American students.
查看答案
What does the author say about women students in college?
A. They have no idea how to bring out their best.
B. They drop a course when they find it too rigorous.
C. They are not as practical as men in choosing courses.
D. They don’t perform as well as they did in high school.
How does the author explain the pay gap between men and women fresh from college?
A. Women are too worn out to be ambitious.
B. Women are not ready to take management roles.
C. Women are caught between career and family.
D. Women are not good at negotiating salaries.
在核酸中可用于计算核酸含量的元素是:
A. C
B. N
C. O
D. P
E. H
核酸的紫外吸收是由哪一结构所产生的?
A. 嘌呤和嘧啶之间的氢键
B. 碱基和戊糖之间的糖苷键
C. 戊糖和磷酸之间的磷酯键
D. 嘌呤和嘧啶环上的共轭双键
E. 核苷酸之间的磷酸二酯键
微信支付 
支付宝支付