____________

【名词&注释】

蕨类植物(pteridophyte)、孢子体和配子体、进行光合作用

[单选题]____________

A. Once
B. Before
C. Unless
D. While

查看答案&解析查看所有试题

学习资料：

[单选题]What does the phrase “clam up” in Paragraph 2 probably mean?

A. become excited B． show respect
B. refuse to talkD． seek help

[单选题]when did the accident happen ?

A. at about 8:00 am
B. at about 9:00am
C. at about 10:00am

[单选题]37______

A. imagine
B. consider
C. explore
D. present

[单选题]蕨类植物的孢子体和配子体都能进行光合作用，能独立生活。( )

A. 正确
B. 错误

本文链接：https://www.51ksbd.net/show/xx7dpx.html