The scientists()when the spacecraft would reach the moon.
A.challenged
B.classified
C.commented
D.calculated
- · 有3位网友选择 A,占比37.5%
- · 有2位网友选择 D,占比25%
- · 有2位网友选择 C,占比25%
- · 有1位网友选择 B,占比12.5%
A.challenged
B.classified
C.commented
D.calculated
Scientists believe that uranium was absorbed by the Earth when it was formed.
A.Y
B.N
C.NG
Scientists generally focus on air temperatures when studying global warming.
A.Right
B.Wrong
C.Not mentioned
When scientists describe dolphins' communicative skills, their tone is rather ______.
A.affirmative
B.negative
C.playful
D.speculative
When did scientists fly there to watch?
A.Before the volcano broke out.
B.As soon as the volcano broke out.
C.About four days after the volcano broke out.
When did the scientists start working on a successor to the shuttle?
A.Immediately after the Columbia disaster.
B.One year after the Columbia disaster.
C.Years before the explosion of Columbia.
D.Not mentioned in the passage.
A.destroyed
B.damaged
C.wounded
D.hurt
A.Faced
B.facing
C.be faced
D.to face
When did the scientists begin to develop the technology to add genes to Golden Rice?
A.In 1980
B.In 1990
C.In 2000
D.In 2004
A.ethnologists when working in the field are handicapped
B.ethnologists have problems in winning recognition as scientists
C.ethnologists are looked down upon when they work in the field
D.ethnologists meet with lost of difficulties when doing field work
为了保护您的账号安全,请在“简答题”公众号进行验证,点击“官网服务”-“账号验证”后输入验证码“”完成验证,验证成功后方可继续查看答案!