影响骨折愈合最主要的因素是()。A．年龄 B．骨折的类型 C．骨折段的血液供应 D．

下列各项中有错别字的一项是（   ）

A．浩荡岗峦莽莽苍苍婉转悠扬

B．徜徉铿锵一幅图画古墓荒冢

C．韵律绵延翠锦斑斓林 * * 旁

D．淳朴涟漪震耳欲聋瞭望故乡

手阳明经、足阳明经的交接部位在（）

A．目内眦旁

B．目外眦旁

C．鼻翼旁

D．口角旁

E．颧骨旁

下列不属于苯丙素类物质的选项为

A．苯丙烯、苯丙醇、苯丙酸及其缩酯

B．香豆素

C．木脂素

D．黄酮

E．木质素

以下属于主要水工建筑物的有( )。

A．导流墙

B．挡水大坝

C．电站厂房

D．护岸

E．引水发电隧洞

阅读理解。

     Downing the last drop of an expensive famous brand H2O as weIl as remembering to

throw the empty bottle in the recycling bin.makes you feel pretty good about yourself, right?

It shouldn't. Even when the bottles are recycled, there are all kinds of otherconsequences of

swallowing bottled water, says Melissa Peffers, the air-quality program manager for

Environmental Defense.

    The containers are often filled in foraway lands, then shipped from abroad,and stored in

refrigerators at your local store. Compare that with the influence on environment of turning

on your tap ,filling a glass,and drinking up!

    Anyone who is choosing bottled water for health reasons ismisguided,says Peffers,"Most

bottled water is just tap water." And what comes out of your tap is carefully monitored to

follow the strictrules. Consider another fact that bottled water is surprisingly expensive.

especially when compared with the altemative,which is almost free ,andit is astonishing that

America's desire for bottled water seems impassibleto satisfy,reaching nearly 30 billion

bottles a year.

    "My parents' generation never  had  bottled water, "saysIsabelle Silverman,an

Environinental Defense legal adviser. She hasmade a commitment to going bottle free."You

don't need to fetch ithome from the store,and it's cheaper, " she adds

Bottled water's role as a status symbol needs to change,Pefferspoints out. So when a waiter

at an expensive restaurant offers"Andwhat's your drink?"that's no reason to forget your

conviction(信念). "Don't be afraid to say,'I'll have tap.' Say it loud enoughthat the other

tables nearby can hear you,"Peffers says,"And thenspend that money on a dessert. "

1. In the first paragraph,the underlined sentence"It shouldn't."suggest that people________.

A. shouldn't feel pleased with finishing the water in the bottle

B. shouldn't feel good about drinkinl an expensive brand H2O

C. shouldn't be content with just recycling empty bottles

D. shouldn't be satisfied with drinking only bottled water

2. According to the author, tap water is_________. 

A. as safe as bottled water

B. more likely to be polluted

C. healthier than bottled water

D. less convenient than bottled water

3. The underlined part"going bottle free"(in Paragraph 4)means"______". 

A. making bottled water free

B. abandoning bottled water

C. recycling used water bottles

D. providing free water containers

4. Why does Peffers ask people to say"I'll have tap."loudly?

A. To encourage them to set an example for others to follow.

B. To advise them to save the money for one more dessert.

C. To remind them to be aware of their social status.

D. To persuade them to speak confidently in public.