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【单选题】
吹气式液位计测量液位的前提条件是使导管下端有微量气泡逸出，为了保证供气量稳定，流经节流件的流体绝对压力P2与节流件前的流体绝对压力P1之比应（）临界压缩比A.
小于
B.
大于
C.
等于
D.
小于或等于
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【单选题】What does the talk tell us?
A.
How to settle the consumer's complaint about a faulty item.
B.
How to make an effective complaint about a faulty item.
C.
How to avoid buying a faulty item.
D.
How to deal with complaints from consumers.
【单选题】What does the news item mainly talk about?
A.
Tony Blair doesn't regret helping the US to remove the Iraqi leader Saddam Hussein.
B.
Tony Blair does regret helping the US to remove the Iraqi leader Saddam Hussein.
C.
Tony Blair didn't plan to help the US to remove the Iraqi leader Saddam Hussein.
D.
Tony Blair didn't help the US to remove the Iraqi leader Saddam Hussein.
【单选题】What is the main idea of me news item?
A.
US concern over the forthcoming peace talks.
B.
Peace efforts by the Palestinian Authority.
C.
Recommendations by the Mitchell Commission.
D.
Bomb attacks aimed at Israeli civilians.
【简答题】隔热防护服主要保护消防员躯体及四肢不受火焰、蒸汽烫伤。()
【单选题】听力原文：Our lost-and-found system allows you to notify us if you lose an item while riding Metro. Once you submit information on the item, a search is done of the items we have found.If there is a match,...
A.
When the person is on the subway.
B.
When the person comes to the office in person.
C.
When the office finds a match for the item lost.
D.
When the office finishes the search for the item lost.
【简答题】麦克卢汉擅长用类比或者暗喻的方法提出思想。比如,它曾说过:电子技术使人相互依存的新局面以( )的形象重新塑造这个世界。
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