根据接触器触头控制负载的不同可分为哪两种？

根据句子结构或括号中所给的词在空格处填上合适的词或所给词的正确形式，并把答案填写在答题卷相应的位置上。

小题1: No one can live _______ water and food for longer than seven days.

小题2:I was about to switch off the computer _______ the lights went out.

小题3:Since he graduated from university last year, he _______  (explore) the South Pole with his teammates.

小题4:The thieves ran away immediately when they heard the alarm went _______.

小题5:The classroom was decorated by the pupils for the _______ (celebrate).

小题6:_______ is believed that Martin Luther King was murdered.

小题7:Christopher Reeve tried to collect money to help the _______ (able) people.

小题8:She refused her father's help and she got the job on _______ own.

小题9:If you are traveling in the country, _______ customs are not familiar to you, please do as the Romans do.

小题10:China, _______ (found) in 1949, is now a developing country.

We’ll talk about some cases_______ drivers obviously knew the traffic rules but didn’t obey them.

A．where

B．whose

C．which

D．that

在一次噪声测量中，用A、B、C网络测出噪声的声级值分别为LA、LB、LC。若 LC＞LB＞LA，则表明噪声集中在( )。

A．超高频段

B．高频段

C．中频段

D．低频段

2011年3月5日，第十一届全国人民代表大会第四次会议在人民大会堂开幕。到会代表3000名，他们来自全国各省、自治区、直辖市、香港特别行政区、澳门特别行政区和中国人民解放军等35个选举单位，各方代表均占一定比例。这说明我国  [ ]

A．民主权利具有真实性　　　

B．社会主义民主具有全民性

C．民主主体具有广泛性　　

D．我国人民享有广泛的民主权利

金融创新的直接动因是( )。

A．金融管制的放松

B．市场竞争日趋激烈

C．利润最大化的驱动

D．科学技术进步

E．金融管制的加强