如题~上网查了跟爬版后 发现就这2题 答案不一样
3是 a or b
5是 c or d
3. Which of the sentences below best expresses the essential information in
the highlighted sentence in the passage? Incorrect choices change the meaning
in important ways or leave out essential information.
A. The dominance of dinosaurs came to an end 65 million years ago, at which
time mammals began to flourish and diversify.
B. Because no group of species can remain dominant forever, mammals became
the dominant group when dinosaurs became extinct.
C. After being the dominant group for more than 200 million years, the age of
dinosaurs came to a dramatic end 65 million years ago.
D. The diverse group of mammals that we know today, including bats and
whales, evolved from small terrestrial forms that had been dominated
by dinosaurs.
5. According to paragraph 2, which of the following species initially
increased in number at the K-T boundary?
A. Dinosaurs
B. Foraminifera
C. Ferns
D. Ammonoid mollusks