据统计，我国每年因车祸而死亡的人数约7～10万；每年死于心血管病的人数为300万左右；平均每年有近3万名儿童死于溺水……这些数据警示我们（ ）
| A．生命是顽强的，也是脆弱的 | B．人的生命具有独特性 |
| C．要肯定、尊重、珍爱自己的生命 | D．生命无常，人要听天由命 |
What a wonder! They have finished _______ half of the project in such a short time.
| A．no more than | B．no less than | C．not more than | D．much less than |
The film _________ a novel by Sinclair Lewis.
| A．is based on | B．based on | C．basing on | D．base |
Today,_________ rapid transportation and communication , the whole world seems to be smaller.
| A．regardless of | B．in spite of | C．instead of | D．because of |
The government requested that all the people ___________ in any indoor public area.
| A．not to smoking | B．not smoke | C．not smoking | D．to not smoke |
Scientists study ___________ human brains work to make computer.
| A．when | B．how | C．that | D．whether |