首页
登录
职称英语
Another thing an astronaut has to learn about is eating in space. Food is we
Another thing an astronaut has to learn about is eating in space. Food is we
游客
2024-01-17
59
管理
问题
Another thing an astronaut has to learn about is eating in 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 travelling 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/3370072.html
相关试题推荐
A、Animportantpersoniscomingintohisoffice.B、Hehastoansweranotherphon
Mybrotherlikeeatingverymuchbutheisn’tvery______aboutthefoodheeats.
Whenitcomestoeatingsmartforyourheart,thinkingaboutshort-termfi
Whenitcomestoeatingsmartforyourheart,thinkingaboutshort-termfi
Whenitcomestoeatingsmartforyourheart,thinkingaboutshort-termfi
Whenitcomestoeatingsmartforyourheart,thinkingaboutshort-termfi
Whenitcomestoeatingsmartforyourheart,thinkingaboutshort-termfi
Whenitcomestoeatingsmartforyourheart,thinkingaboutshort-termfi
Whenitcomestoeatingsmartforyourheart,thinkingaboutshort-termfi
Whenitcomestoeatingsmartforyourheart,thinkingaboutshort-termfi
随机试题
AdisasterofTitanicproportionsAt11.39p.m.onthee
Howmanyparachutistswerekilledinthecrash?[originaltext]Thehelicopter
Directions:Forthispart,youareallowed30minutestowriteacompositionon
价值工程是一种()方法。A.工程技术 B.技术经济 C.经济分析 D.综
房间隔缺损A.肺动脉血氧含量较右心室高 B.右心房血氧含量高于上下腔静脉平均血
关于高职(专科)学历的毕业生退役后报考普通高校本科,下列说法正确的是()A.每
下列关于房屋基础的表述中,不正确的是( )。A、柔性基础是用钢筋混凝土制成的
一住店客人未付房钱即想离开旅馆去车站。旅馆服务员揪住他不让走,并打报警电话。客人
某企业预计下年度销售额为2000万元,其中10%为现销,赊销的信用条件为”n/7
根据《证券投资基金法》的规定,申请上市的封闭式基金应具备的条件有()。A.基金
最新回复
(
0
)