皮皮学，免费搜题
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搜题
【多选题】
霍金在对地球未来的预言中，提到了人类拯救自身的做法包括转移到其他星球上，倘若星球已经找到，那么人类还要克服哪些阻碍才可以实现转移？A.
宇宙中极端的环境因素，包括温度、宇宙射线和陨石等
B.
与地球不同的重力环境
C.
舱室内的环境和足够支持维持该环境的资源
D.
对人类健康与生命的保障措施
E.
废物处理利用的技术
拍照语音搜题，微信中搜索"皮皮学"使用
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知识点：
皮皮学刷刷变学霸
举一反三
【简答题】listen to the tape, complete the following exercise
【单选题】Listen to the tape.
A.
Improve the maths skills of high school teachers.
B.
Change British people's negative view of maths.
C.
Help British people understand their paychecks.
D.
Launch a campaign to promote maths teaching.
【单选题】Listen to the tape.
A.
Children take maths courses at an earlier age.
B.
The public sees the value of maths in their life.
C.
British people know how to do elementary calculations.
D.
Primary school teachers understand basic maths concepts.
【简答题】listen to the tape and answer the two questions .
【简答题】青年的( )决定了未来整个社会的价值取向,而青年又处在价值观形成和确立的时期,抓好这一时期的价值观养成十分重要。
【单选题】Listen to the tape.
A.
A man was pulled to safety after a building collapse .
B.
A beam about ten feet long collapsed to the ground.
C.
A rescue worker got trapped in the basement .
D.
A deserted 100-year-old building caught fire.
【单选题】Listen to the tape.
A.
He suffered a fatal injury in an accident.
B.
He once served in a fire department.
C.
He was collecting building materials.
D.
He moved into his neighbor's old house.
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