以中央子午线北端作为基本方向顺时针量至直线的夹角称为( )。A．坐标方位角 B．子

阅读理解。

     Summer School trips are planned every Wednesday afternoon. Some may last to the evening when we will go on a theatre trip. Weekends are planned for all-day trips and activities. All the trips are designed

(设计) to introduce students to Scotland's culture, exciting cities and beautiful scenery (风景), while giving

them a fun-filled break from timetabled classes. On Wednesdays students can choose from: Glamis

Castle (城堡): Visit childhood home of Queen Elizabeth and one of Scotland's most beautiful castles.

Royal(皇家)research ship Discovery: Visit Captain Scott's famous research ship Discovery. Elie

Watersports: Go boating and sailing. Saturday trips:

     Edinburgh: Visit Scotland's beautiful capital. Discover Edinburgh Castle, walk along Princes Street,

home to some of Edinburgh's best shops, discover the city's past. Glasgow: Experience Scotland's city of

culture and buildings, internationally famous for its Victorian buildings and wonderful museums. Visit

Scotland's best-loved museum. Discover and experience Scotland: the best small country in the world.

You will not be disappointed.

1. When will the students have their trips?

A. On Sunday.

B. On Wednesday morning.

C. On Wednesday and Sunday.

D. On Wednesday and Saturday.

2. Where did Queen Elizabeth live when she was young?

A. Glasgow.

B. Glamis Castle.

C. Elie Watersports.

D. Edinburgh Castle.

3. If you want to go shopping, the best place to go to is ______.

A. Glasgow

B. Edinburgh

C. Elie Watersports

D. Discovery

4. What you have read is ______.

A. a travel diary

B. a news report

C. an advertisement

D. an introduction to Scotland

下列影响扣件式钢管脚手架整体稳定性的因素中，属于主要影响因素的有（）。

A.立杆的间距 

B.立杆的接长方式 

C.水平杆的步距 

D.水平杆的接长方式 

E.连墙件的设置

金融期货合约的主要产品包括( )

A．远期利率协议

B．利率期货

C．股指期货

D．金融远期合约

E．外汇期货

用打磨时所要穿戴的劳保用品（）。

A.防尘口罩

B.连体服

C.一次性连体服

船舶的有关利益损失包括（）

A、运费

B、营运费用

C、船员工资

D、燃料

E、对第三者造成的人身伤害