严禁在安装空调器时不排（）或让水等异物进入系统。 A.冷却水 B.制冷剂 C.空气

计算 : sin² 60°+cos²60°-sin 45°tan45°=（      ）

What seemed like an unplanned comment about Syria's chemical weapons (武器) had a major effect on world events this week. American Secretary of State John Kerry spoke last Monday at a press conference in London. He was reacting to questions about possible American action to answer a chemical weapons attack believed to be likely in Syria. One reporter asked the secretary whether there is anything Syria's president can do to avoid an American military (军事的) strike.

"Sure, he can turn over every single bit of his chemical weapons to the international society in the next week."

Mr. Kerry made it clear that he was speaking theoretically, and did not expect anything like that to happen.

But Russia seized on the idea and persuaded Syria to do the same. That brought plans for American congressional (议会) votes on military action to a halt. President Obama has said he would accept a diplomatic settlement if it can be carried out. But that would likely take weeks, at least.

Mr. Obama has said the government of Syrian President Bashar al-Assad must be punished for breaking the nearly century old ban on the use of chemical weapons. He called for American action to prevent future use of chemical weapons in Syria. He suggested limited airstrikes on government targets. The airstrikes could happen quickly if Congress approves.

Joanna Kidd is a security expert with London's King's College. She says any move to place Syria's chemical weapons under international control would take a long time, if it could be done at all.

小题1:What does the author think of John Kerry’s statement at a press conference in London last Monday?

A．Theoretical

B．Practical

C．Unintended

D．Planned小题2:What does the underlined word “halt” probably mean?

A．stop

B．action

C．attention

D．debate小题3:According to the passage, which of the following statement is TRUE?

A．Russia thinks there was a chemical weapons attack in Syria.

B．Russia is against the American military strike on Syria.

C．Obama believes that a diplomatic settlement is on the way.

D．American Congress will approve Obama’s limited airstrikes.小题4:The belief shared by John Kerry and Joanna Kidd is________.

A．Bashar al-Assad’s administration should be punished for breaking the ban

B．Obama’s government has to prevent future use of chemical weapons in Syria

C．Syria's president can do nothing to avoid an American military strike

D．placing Syria's chemical weapons under international control is hard to achieve

防雷引下线沿建筑物外墙引下时，在距地()处做断接卡子。

A.1.0m 

B.1.3m 

C.1.5m 

D.1.8m

企业债券申请上市，其累计发行在外的债券总面额不超过企业净资产额的( )。

A．20%

B．30%

C．40%

D．50%

点检的十大要素（点检内容）是什么？