压缩机润滑油的油温过高或过低对压缩机的工作有什么影响？

NEWS BRIEF

●Prime Minister Tony Blair new allegations(指控) on Thursday that he misled Parliament and the public in making the case for the war in Iraq after he disclosed his chief legal adviser’s written opinion raising questions about the legality(合法) of the war.

●U.S. Forest Service officials are reminding people to stay off Forest Service roads that are closed. The fine for disobeying the rule of road closures is a maximum of ＄5,000 fine and/ or six months in prison. Those who enter the area and cause road damage may also be required to pay for repairs.

●In a second study presented at the meeting, scientists from the UK and Denmark showed that even a few days of high temperatures can severely reduce production of crops such as wheat,  soybeans, rice and groundnuts, if it occurs when the plants are flowering.

●A bomb exploded in Thailand’s mainly Muslin south on Sunday, killing two policemen and wounding three others, a day after Thailand’s queen condemned those behind a 15-month wave of violence(暴力).

●Mechanicsburg 3, West York 1: Ken Stamper and Rusty Bowman had seven kills each, and Ryan Warfield had six to lead the Wildcats past the Bulldogs, 25-11, 25-15, 15-25, 25-23, in a non-league match.

小题1:The news brief covers _____________.     

A．war, law, violence, culture and agriculture

B．sports, war, violence, politics and climate

C．politics, culture, violence, climate and sports

D．violence, sports, politics, law and agriculture小题2:From the news brief, we can learn that ____________.

A．the Bulldogs defeated the Wildcats by 3-1 in a non-league match

B．Forest Service roads are closed for repairs before they are opened again

C．quite a few violent accidents happened in Tailand before the latest one

D．the British people think the decision made by Blair about the war is of legaliry小题3:According to the U.S. Forest Service officials, those who enter the area and damage the closed roads __________.

A．shall have to pay a $ 5,000 fine for the repairs to them

B．shall be fined or put in prison, and may pay for the repairs

C．shall be fined $ 5,000 and kept in prison for six months

D．shall pay a fine and repair the roads as a punishment小题4:The study of the scientists from the UK and Denmark is about ____________.

A．the importance of climate and the growth of crops

B．the damage caused by high temperatures to some crops

C．the relationship between crops flowering and high temperatures

D．the effect of high temperatures on the production of some crops

做土的有机质含量试验时，溶液由橙黄色经蓝绿色突变为橙红色时即为终点。( )

《诗经》收录了殷商末年到（）中叶六百余年的诗歌。

转炉煤气柜排水器主要用来排出柜内（）。

A、水

B、污物

C、水和污物

石油产品在低温时为什么会凝固？