旅行社设立专门招徕旅游者、提供旅游咨询的服务网点应当依法向（ ）办理设立登记手续，并

下列具有关联性的地质灾害是（     ）

A．暴雨和泥石流

B．地震和滑坡

C．洪涝和台风

D．滑坡和沙尘暴

某化学活动小组在探究葡萄糖分子的组成和结构时，设计并完成了一组实验：分别取下列四种液体2mL加到2mL新制Cu(OH)₂悬浊液中，充分振荡。实验现象记录如下表：

根据上述实验及现象能够得出的正确结论是(   )

A．葡萄糖分子中含有醛基

B．葡萄糖分子中含有多个羟基

C．葡萄糖分子式是C₆H₁₂O₆

D．葡萄糖分子中碳链呈锯齿形

Are you a man or a mouse When people ask this question they want to know (1) you think you are a (2) person or a coward. But you will never really know the answer to this question (3) you are tested in real life. Some people (4) they are brave but when they come face to face with real (5) , they act like cowards. Others think of themselves as cowards, but when they meet danger, they act like (6) .Lenny had always thought of himself as a (7) person. He got worried before examinations. He worried about his job and health. All he wanted in life was to be safe and healthy. (8) , on January 15th, 2002, a plane crashed into the Potomac River in Washington. Lenny went to the river to See what was happening. He saw a woman in the (9) water. Lenny did not feel afraid. He kept very (10) and did a very dangerous thing. He jumped into the Potomac, (11) to the woman, and kept her head (12) the water. Seventy-eight people died that day. Thanks to Lenny, it was not (13) .When you are in a very (14) situation and feel afraid, the body automatically produces a chemical in the blood. The chemical is called adrenalin. (15) adrenalin in the blood system, you actually feel per and per and are (16) to fight or run away. However, when you are absolutely terrified, the body can produce too much adrenalin. Where this (17) , the muscles become very hard and you find you (18) move at all. You are then paralyzed with fear. This is (19) when we are very frightened, we sometimes say we’re "petrified". This word comes from the Greek word "petros", which means "stone". We are (20) frightened that we become stonelike.

 

第（17）空应选择（）

A．gets

B．disappears

C．happens

D．goes

在word中为了要看清页眉和页脚的内容，在页面设置中应选择（）。

A、页面视图；

B、人纲视图；

C、普通视图；

D、文档视图。

随身听与录音带是互补品随身CD价格的下降对录音带价格有何影响（）

A.上升

B.不受影响

C.下降

D.无法确定