以下关于套利行为纖述，不正确（）。A.没有承担价格变动的风险 B.提高了期货交易的活

Mr Black was walking in the forest（森林） He was scared when he heard a terrible noise. But he could not get out of the forest. His friends were waiting for him in a village outside the forest. They would give him a lot of money if he took a tiger to them, or they were going to laugh at him.

Mr Black liked hunting(打猎). He usually killed some birds and animals. But a week ago, after he drank too much, he called himself a brave hunter. So his friends bet(打赌) him twenty thousand dollars if he could kill a tiger.

Suddenly, he heard a little noise. He ran to a big tree,and climbed up it quickly.He didn’t come down until he saw it was a farmer. He went close to him and asked, “Excuse me, sir.Are there any tigers in the forest?”

“Yes,” said the farmer. “I saw a lot of tigers’ tracks（足迹）about a kilometer north near here.”

“Good!”Mr Black said in a hurry. “Which way is to the south,then?”

小题1:Mr Black was good at________

A drinking   B hunting small animals  C running   D betting

小题2:Which is NOT true?

A Mr Black was a brave hunter.

B Mr Black was scared of tigers.

C He thought a tiger was close to him, so he climbed up the big tree quickly.

D Mr Black asked the farmer the way to run away.

小题3:We can guess ________ finally.

A Mr Black got twenty thousand dollars

B his friends would think he was very brave

C Mr Black won the bet

D Mr Black lost the bet

某施工单位中标一座铁路大桥（施工范围不含图中阴影部分），该桥跨越某三级通航河流，主跨为下承式钢梁，架桥机运梁车均可以在上面行使。边跨为32m简支T形梁，要求现场制梁，采用公铁两用架桥机架梁，工期要求20个月，孔跨布置详见下图。

1.请划分施工单元，配置施工队伍。

2.用框图表示全桥的施工顺序。

3.简述主跨的安全施工风险源。

4.简述主跨安全作业预防措施要点。

根据《1990年国际贸易术语解释通则》的规定，某一贸易术语卖方应承担下列责任．风险和费用：①提供符合合同规定的货物．单证或相等的电子单证；②自负费用及风险办理出口许可证及其他货物出口手续，交纳出口捐．税．费；③依约定的时间．地点，依港口惯例将货物装上买方指定的船舶并给予买方以充分的通知：④承担在装运港货物越过船舷以前的风险和费用。该术语应为下列哪项国际贸易术语？

A．FOB　

B．CIF　

C．CFR　

D．DDU

该病的证候分型是：

A．肝阳头痛

B．气虚头痛

C．肾虚头痛

D．瘀血头痛

E．痰湿头痛