股东参与公司重大决策的权力大小取决于其持有股票数额的多少，只要当该数额达到决策所需的

我国修订《外商投资产业指导目录》遵循的主要原则包括（）。

A.保护外商人身安全

B.推进产业结构优化升级

C.坚持进一步扩大对外开放

D.鼓励外商投资技术创新活动

E.积极稳妥扩大服务业开放

有M、N、X、Y四种物质，在一定条件下充分反应，测得反应物质质量如下表所示：

物质	M	N	X	Y
反应前（g）	2	20	34	0
反应后（g）	2	38	0	16

对该反应的下列说法正确的是（　　）

A．该反应中，生成物N和Y的质量比为19：8

B．该反应属于化合反应

C．该反应属于分解反应

D．M在该反应中一定是催化剂

Teachers need to be aware of the emotional, intellectual, and physical changes that young adults experience. And they also need to give serious (51) to how they can best adapt them selves to such changes. Growing bodies need movement and (52) , but not just in ways that emphasize competition. (53) they are adjusting to their new bodies and a whole host of new intellectual and emotional challenges, teenagers are especially self-conscious and need the (54) that comes from achieving success and knowing that their accomplishments are (55) by others. However, the typical teenage lifestyle is already filled with so much competition that it would be (56) to plan activities in which there are more winners than losers, for example, publishing newsletters with many student-written book reviews, (57) student artwork, and sponsoring book discussion clubs. A variety of small clubs can provide (58) opportunities for leadership, as well as for practice in successful (59) dynamics. Making friends is extremely important to teenagers, and many shy students need the (60) of some kind of organization with a supportive adult barely visible in the background.

A．claimed

B．admired

C．ignored

D．surpassed

古希腊智者学派的代表人物普罗泰戈拉说：“人是万物的尺度，是存在的事物存在的尺度，也是不存在的事物不存在的尺度。”这一主张表明（）

A.古希腊民主政治充分尊重和保护个人利益

B.人类社会的传统和习俗不容置疑

C.社会的道德规范是客观统一的

D.人们应对宗教神学持怀疑态度

ZK3-A170型电空转辙机的额定负载为（）N。

A.2400N

B.2940N

C.2000N

D.1960N