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问题 选择题

下列有关胃的说法，不正确的是（　　）

A．胃呈囊状，位于腹部的右下部

B．可以吸收少量水、无机盐和酒精

C．胃壁较厚，黏膜内有大量的胃腺，能分泌胃液

D．胃液中有蛋白质，在胃酸环境中可初步分解蛋白质

答案

A、胃呈囊状，位于腹部的左上部是消化道内最膨大的部分，可在短时间内容纳大量食物，具有较大的伸展性，故A错误．

B、胃可以吸收少量水、无机盐和酒精，故B正确；

C、胃壁较厚，黏膜内有大量的胃腺，能分泌胃液，胃液里面含有胃蛋白酶，能对蛋白质进行初步消化，故C正确；

D、黏膜内有大量的胃腺，能分泌胃液，胃液里面含有胃蛋白酶，能对蛋白质进行初步消化，故D正确．

故选：A．

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                                                            WHILE HAVING GREAT FUN
                                                             GLOBAL VOLUNTEERS
What it is: Volunteers can choose from 20 countries yearround. Projects include teaching English, caring
for children, building and repairing community buildings and assisting with health care.
Length of Stay/Cost:l-3 weeks/$ 695 and up, airfare not included.
Living, Conditions : Local  homes , simple  hotels. Comfortable.
Vibe: Famous organization with plenty of media coverage
from People magazine to Oprah.
Web site: globalvolunteers, org
                                                             ENKOSINI ECO EXPERIENCES
What it is: Projects in South Africa. Volunteers work in conservation, rehabilitation and research projects
 with animals ranging from penguins to lions.
Length of Stay/Cost:2-4 weeks/ $ 795- $  2195 w/o airfare.
Living Conditions: Not for the high-maintenance types.
Vibe:Does the idea of feeding baby monkeys from a bottle make you feel excited?
Web site: enkosiniecoexperience. Com
                                                              HABITAT NEW ORLEANS
What it is: Rebuilding/building affordable housing.
Training is done on site; no experience is required.
Length of Stay/Cost: One day or more/Free to participate.
Living Conditions: Up to you. Group living in "Camp Hope, "an elementary- school- turned- volunteer-
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Vibe:Easygoing. Potential for celeb spotting,for instance.
Web site: habitat-nola. org
                                                               EARTH WATCH INSTITUTE
What it is:A number of environmental volunteer projects, such as the one in The Bahamas where do-
gooders snorkel(潜水) remote islands to survey and document the health of the coral reefs.
Length of Stay/Cost:Eight-day Bahamas trip costs $ 2 446w/o airfare.
Living Conditions:Shared rooms at Cerace Research Center (a former U. S Navy base. )Simple meals
provided
Vibe: Volunteers are definitely there to work. But it's TheBahamas. So how bad can it be?
Web site: earthwatchexpeditions. org
1. All of the volunteers will ________in the four activities.   
A. teach young kids
B. have a lot of fun
C. experience nature
D. beautify the environment
2.If you are short of money, which group would you like to join?     
A. ENKOSINI ECO EXPERIENCES
B. EARTH WATCH INSTITUTE
C. HABITAT NEW ORLEANS
D. GLOBAL VOLUNTEERS
3. According to the advertisement, which of the following is true?   
A. You have to cook yourself in EARTH WATCH INSTITUTE.
B. You need to have experience to join HABITAT NEW ORLEANS.
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D. You have a chance to serve in a community in GLOBAL VOLUNTEERS.
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单项选择题 A1型题

感冒的发生与外感六淫之邪有关，但主要与下列哪项有关（）.

A.风邪人中

B.邪之轻重

C.起居失常

D.饮食失调

E.正气强弱
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