Os1er结节多见于亚急性感染性心内膜炎患者

Island University has a competition for middle school students.

Read about the competition on their web site.

School Competition

Students! Here is your chance to help the physically disabled(残疾人). Think out a robot or a machine to help them live better. There’ll be three prizes. The winning schools will each get $15,000. Read the information below:

What do you have to do?

·Try to know problems faced by the physically disabled in Hong Kong. Write a 200-word article on the difficulties these people have to suffer each day.

·Try to know modern inventions that help the physically disabled. Then think out a robot or a machine that will improve the lives of the physically disabled. Draw your invention. You can make as many drawings as you like to show your invention. You can even make a small model of your invention.

· Write a short description of your invention.

Who can join?

All middle school students in Hang Kong.

So, come on! Join the competition, and get the chance!

小题1:Where can you find the information?

小题2:Why is the school competition held?

小题3:What prize will each winning school get?

小题4:How many words should be written on the difficulties the disabled have to suffer each day?

小题5:Who can join the competition?

下列属于资产负债表日后事项中“调整事项”的是( )。

A．资产负债表日发生的销货并退回的事项

B．在资产负债表日后事项期间，外汇汇率发生较大变动

C．已确定将要支付赔偿额大于该赔偿在资产负债表日的估计金额

D．发行债券

阈限值（TLV）：几乎所有工作人员长期暴露都不会产生不利影响的某种有毒物质在空气中的最大浓度。硫化氢的阈限值为（）。

A、15mg/m³（10ppm）

B、30mg/m³（20ppm）

C、150mg/m³（100ppm）

商业航空运输的民用航空器，一般根据实际需要执行飞行任务。（）

出口黄金及其制品，出口企业应事先向中国银行申领“黄金产品出口准许证”。 ( )