【名词&注释】
不定根(adventitious root)、主持人(host)、地下茎(rhizome)
[单选题]28______
A. chocolates
B. coins
C. tins
D. drugs
查看答案&解析
举一反三：
[单选题]What can we infer from the text?
A. Working women usually have breakfast in a hurry.
B. Many people have wrong ideas about breakfast.
C. There are some easy ways of cooking a meal.
D. Eating vegetables helps save energy.
[单选题]Why is Franklin described as “Dark Lady of DNA”?
A. She developed pictures in dark labs.
B. She discovered the black X------ the shape of DNA．
C. Her name was forgotten after her death.
D. Her contribution was unknown to the public.
[单选题]扦插、压条是利用枝条、叶、地下茎等能产生( )的特性。
A. 初生根
B. 不定根
C. 次生根
D. 三生根
[单选题]41________
A. suggested
B. explained
C. announced
D. predicted
[单选题]扶桑是著名花卉，又名朱槿，属锦葵科木槿属，而不是属桑科。( )
A. 正确
B. 错误
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