催化剂选择性好的则目的产品（）。

小题1:What can’t children learn in Home for Children?

A．Music

B．Drawing pictures

C．Computer

D．English小题2:Mrs Green can send her daughter Lucy to Home for Children except___________ .

A．5 :00 p.m. on Friday

B．6 :00 p.m. on Sunday

C．7 :00 p.m. on Wednesday

D．4 :00 p.m. on Monday小题3:Home for Children will be open for           in a week .

A．4 hours

B．8 hours

C．20 hours

D．24 hours小题4:Who can do homework and learn in Home for Children ?

A．Mike , a school boy of 6

B．Mary, an 11-year-old girl

C．Cathy, an experienced teacher

D．Linda, a girl of 17 years old小题5:Which of the following is TRUE according to the information above ?

A．Home for Children is on the Second Street

B．Home for Children is open at weekends.

C．You can call Mr Zhang for more details.

D．After school parents must pick up their children and send them to Home for Children.

（2分）核电池是一种通过换能器将核能最终转化成    能的装置，具有体积小、重量轻、寿命长等特点．请列举一个将来有可能利用核电池供电的产品：       ．

现在有五个命题：①两条直线的位置关系只有相交、平行两种；②过直线外一点可以有多条不同直线与已知直线平行；③若a∥b，b∥c，则a∥c；④在同一平面内两条不平行的线段必相交；⑤与已知直线平行的直线有且只有一条．请问其中结论正确的命题序号为______．

PSSI模型结构中涉及的指数包括______

A．社会经济特征指数

B．社会不安定指数

C．国内暴乱指数

D．社会统治秩序指数

E．高压统治潜在危机