題目

Why does the author mention the specimen preserved in the birth canal?_____

A

To illustrate that the embryo fossils are quite advanced in their development

B

To explain why the fossils are well preserved

C

To indicate how the ichthyosaurs died

D

To prove that ichthyosaurs are marine animals

掃碼查看暗號(hào),即可獲得解鎖答案!

點(diǎn)擊獲取答案
考點(diǎn):閱讀選擇

第三段中提到保存在產(chǎn)道中的標(biāo)本,是為了說(shuō)明胚胎發(fā)育的程度很高。

多做幾道

材料全屏
11

【單選】

With which aspect of British Columbia is the passage primarily concerned?()

A

?Its climate

B

?Its culture

C

?Its geography

D

Its history

In which part of British Columbia can a mild climate be found?()

A

?In the southwest

B

Inland from the coast

C

?In the north

D

On the entire west coast

In Paragraph 5, the word"heavily"could best be replaced by which of the following?()

A

Widely

B

Densely

C

Chiefly

D

Largely

Which of the following is NOT mentioned as a tree found in British Columbia?()

A

Hemlock

B

?Cedar

C

?Fir

D

Pine

What effect do the mountains have on winds?()

A

Make them dry.

B

Make them wet.

C

Make them cool.

D

?Make them weak.

最新試題

該科目易錯(cuò)題

該題目相似題