the University of California:加利福尼亚大学,位于美国西部的公立高等学校系统 ,目前拥有10所大学,包括加州大学伯克利分校、洛杉矶分校、 圣地亚哥分校、圣克鲁兹分校等。
But theres a twist to Choes discovery.然而,Choe 又有了新的出乎意料的发现。 Twist 有出人意料的变化的意思。
turned up:发现,找到。
练习:
A A chemical that contains poison. B A chemical that causes death.
Which of the following is closest in meaning to the question What keeps ants from hauling away the living dead? ?
B What prevents ants from removing the ants that are not yet dead?
D What prevents ants from being carried away after they die.
A When an ant dies, it produces a I am dead signal.
C Ants have two sets of chemicals on theft bodies.
According to Choes hypothesis,mda.com
B the I am dead chemical leaves the ants body when it dies.
D the I am not dead yet chemical leaves the ants body when it dies.
A It proves that his hypothesis is time.
C It shows that his hypothesis is wrong.
答案与题解:
B keep sb. from doing sth. 这个句型的意思是:使不做,阻止去做。所以只有 B 是正确理解。
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