胃癌的好发部位是 A．贲门部 B．幽门部 C．胃大弯 D．胃小弯 E．胃窦部

下列哪项说明了同病异治的实质

A．证同治异

B．证异治同

C．证异治异

D．病同治异

E．病同治同

政府在一个财政年度内对国有资产经营性收支活动进行价值管理和分配的预算模式是( )。

A．公共预算

B．社会保障预算

C．绩效预算

D．国有资本经营预算

在正常操作时，分馏塔精馏段的气体流量除了与提馏段的气体流量有关外，还受（）影响。

A、塔底液相流量

B、进料量及进料热状况

C、进料热状况

D、进料量

灭火剂输送管道的施工，已镀锌的无缝钢管不宜采用( )。

A．螺纹连接

B．法兰连接

C．焊接连接

D．卡箍管接头连接

You want to know what the safest place for children 77．______
is in the car The experts say the back seat is the safest for 78．______
them. The back seat is farthest away off the force of a head- 79．______
on collision(迎头撞击), which can lead serious injuries. 80．______
If your child is below 8 and weighs no more than 85 81．______
pounds, it is necessarily to fit your car with a safety seat. 82．______
Moreover, the safety seat must be held in place of on the83．______
car’s back seat. If your child do need your attention while 84．______
you driving, don’t look back with only one hand on the 85．______
wheel. You’d better stop the car. 86．______