首页
登录
职称英语
Another thing an astronaut has to learn about is eatingin space. Food is wei
Another thing an astronaut has to learn about is eatingin space. Food is wei
游客
2024-01-15
53
管理
问题
Another thing an astronaut has to learn about is eatingin space. Food is weightless, just as men are.
Food for space has to be packed in special ways. Some of it goes into tubes that a man can squeeze into his mouth. Bite-sized cookies are packed in plastic.
There is a good reason for covering each bite, The plastic keeps pieces of food from traveling in the spaceship. On the earth very small pieces of food would simply fall to the floor. But gravity doesn’t pull them to the floor when they are out of the plastic in a spaceship. They move here and there and can get into a man’s eyes or into the spaceship’s instruments. If any of the instruments is blocked, the astronauts may have trouble getting safely home.
As astronauts travel on longer space trips, he must take time to sleep. An astronaut can fit himself to his seat with a kind of seat belt. Or, if he wants to, he can sleep in a sleeping bag which is fixed in place under his seat. But be careful he must put his hands under the belt when he goes to sleep. This is because he is really afraid that he might touch one of controls that isn’t supposed to be touched until later. [br] In what way is food for space packed?
选项
A、Very small pieces of food are put on the floor
B、Some of it is put into tubes
C、Small-sized cookies are packed in plastic
D、Both B and C
答案
D
解析
事实细节题。第一段的最后两句指出,一些食物被放在管子里,小饼干则被用塑料包装起来。
转载请注明原文地址:https://tihaiku.com/zcyy/3364174.html
相关试题推荐
______bythebeautyofnature,thegirlfromLondondecidedtospendanothertw
Beyond______stars,thetwoastronautscouldseenothingbut______space.A、the;a
A:Whatasurprise!Youchangedyourhairstyle.B:Yes,andanothersurprise.I’m
Linda,______haslivednextdoortomeabout10years,willmovetoanothercity
Anotherproblemthatneeds______isrelatedtoteaching.A、discussedB、todiscuss
Thetwopartieshaven’treachedanyagreement,butdecidedtosetanotherdate
Anotherthinganastronauthastolearnaboutiseatinginspace.Foodiswe
Anotherthinganastronauthastolearnaboutiseatinginspace.Foodiswe
Anotherthinganastronauthastolearnaboutiseatinginspace.Foodiswe
Anotherthinganastronauthastolearnaboutiseatinginspace.Foodiswe
随机试题
Successfulleadersareemotionallyandintellectuallyorientedtothefuture—
WhenLouiseBrownwasbornon25July1978,shekickedoffanera.Thefirst
D
()目的就是确保软件准备就绪,并且可以让最终用户能执行该软件的实现既定功能和任
目前许多营养素没有UL值,下列说法正确的是( )。A.过多摄入可能不会有危害
A.花剥苔 B.燥苔 C.糙苔 D.地图舌 E.类剥苔舌苔不规则脱落,边
A.维生素D3 B.维生素B1 C.维生素C D.维生素K3 E.维生素
股票指数期货和股票期货的合约标的物是相同的。()
某公司正考虑建设一个新项目。根据市场调查和财务部门测算,项目周期为5年,项目现金
向当地城建档案管理部门移交工程竣工档案的责任单位是()A、建设单位B、监理单位
最新回复
(
0
)