3.Evidence obtained from observation and experiment is often used to ________ a scientific theory.
A.confirmB.conclude
C.consult
D.confuse
解析:选A。考查动词辨析。句意:由观察和实验所获得的证据经常被用来确认一项科学理论。confirm确认;conclude结论,推断;consult咨询;confuse迷惑,根据句意可知,A项正确。
4existence n. 生存,存在
(回归课本P26)...although there wasn’t much glory in a reporter’s existence,she found it interesting and challenging.
……尽管当记者没有什么荣耀,但她发现它有趣而富挑战性。
归纳拓展
例句探源
①There is evidence of the existence of water on the moon.
有证据表明月球上有水的存在。
②Do you believe in the existence of God?
你相信上帝的存在吗?
4.完成句子
(1)This is the oldest temple ________ ________
(现存的).
答案:in existence
(2)When did the country ________ ________ ________(建立)?
答案:come into existence
5hesitate v. 犹豫;迟疑;踌躇
(回归课本P27)She hesitated and then told me that the year before she had broken her wrist...
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