Two decades after the Emerald River Dam was built, none of the eight fish species native to the
Which of the following statements, if true, would most strengthen the scientists’ hypothesis?
(A) The native fish species were still able to reproduce only in side streams of the river below the dam where the annual temperature range remains approximately 50 degrees.
(B) Before the dam was built, the
(C) The lowest recorded temperature of the
(D)Nonnative species of fish, introduced into the
(E) Five of the fish species native to the
B undermines the hypothesis by suggesting a completely different hypothesis;
请帮忙看一下B的解释,不是很能理解?什么他怎么个削弱法?
B undermines the hypothesis by suggesting a completely different hypothesis;
请帮忙看下B的解释说,b怎么个削弱法?
欢迎光临 ChaseDream (https://forum.chasedream.com/) | Powered by Discuz! X3.3 |