保险合同条款发生争议时，由全国人大常委会进行解释，属于哪种解释（）A、司法解释B、立

根据句意，用所给词的适当形式填空。

1. There is nothing important in today's newspaper.  How about       (listen) to the radio?

2. Jenny gave her father a special gift on Father's Day.She made it by       (she).

3.        (million) of movie fans like watching Avatar. It's really fantastic.

4. Kathy's work is to look after       (baby). She is a babysitter.

5. The traffic is very heavy these days in our city. People should drive     (careful) on the roads.

属于常染色体异常的疾病是（）。

A.舞蹈病

B.白化病

C.血友病

D.唐氏综合征

E.苯丙酮尿症

A project was expected to cost $6 million for 3 months. At the end of 1 month, you use earned value as a performance management tool and get the following information: BCWP=$1.5 million, BCWS=$2.5 million, ACWP=$2.2.million. What is the schedule variance ？（）

A．$0.3 millio

B．$-1 millio

C．$1 million。

D．$0.7 millio

学生与课程之间存在如下图所示的m：n关系。

按照规则，将其转化为关系模式的数目应是（）

A.1

B. 2

C. 3

D. 4

解剖上，腮腺分为浅深两叶，其分界为

A．面神经管
B．面神经
C．腮腺导管开口
D．腮腺动脉
E．面静脉水平