请输入或粘贴题目内容
搜题
拍照、语音搜题，请扫码下载APP
题目内容
（请给出正确答案）
"Speculation is science's very life-blood" means that scientists ______.
A．are gamblers on science
B．must form. opinions about the data they gather
C．must concern themselves with provable facts
D．must understand all sciences
答案
更多“"Speculation is science's very life-blood" means that scientists ______.A．are gamblers on”相关的问题
第4题
This text is mainly about__________． 查看材料
A.the scientific leadership of the U．S．
B.the shortage of scientists in the U．S．
C.the rapid globalization of science
D.better communication and globalization
第5题
A.speculation
B.speculator
C.speculate
D.speculative
第6题
A.than
B.no other than
C.rather than
D.no more than
第7题
此处正确答案是 [A]contribution[B]deduction[C]contemplation[D]speculation
第8题
A．They will change their attitude to science.
B．They will be more sympathetic with science and understand the work done by scientists.
C．They will certainly become scientists as they hope to.
D．It will bring about good reading and learning.
第9题
Among the reasons for the Crash of 1929 were ______.
A．unwise speculation by many people
B．dishonest practices by some businessmen
C．strict regulations of the Commodity Exchange Commission
D．both A and B
第10题
There is speculation that Mr. Bush would eventually repay all the national debts in his term.
A．正确
B．错误
