【单选题】The author suggests that sex education classes
A.
are a major cause of casual, unprotected sex.
B.
should include the role of sex in a meaningful relationship.
C.
should not include the mechanics of fertilization and birth control.
D.
have taken over a role that rightfully belongs to parents.
【简答题】A. education that shouldn't be overlooked. B.Advantages of proper education. C.Different attitudes towards education. D.Cultural tradition and social customs about in China.
【多选题】企业的促销工具多种多样,基本的促销方式主要有()。
【单选题】下列属于支付结算行政法规的是( )。
A.
全国人大常委会通过的《中华人民共和国票据法》
B.
由中国人民银行发布国务院批准的《票据管理实施办法》
【单选题】All workers, regardless of their sex and education, are required to _____ at the age of
【简答题】DNA所处介质的离子强度越低 ,熔解温度越 ________ 。
【单选题】The concept of universal elementary education, regardless of sex, had been born, but it was still in the ________ of the single-sex school.
【单选题】Sex education is a sensitive area for some parents, and thus it should remain _________.