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Modem plant breading is largely based on planned hybridization combined with ______ selection to speed up the evolution of new v
Modem plant breading is largely based on planned hybridization combined with ______ selection to speed up the evolution of new v
admin
2010-02-21
85
问题
Modem plant breading is largely based on planned hybridization combined with ______ selection to speed up the evolution of new varieties.
选项
A、stringent
B、stem
C、emergent
D、austere
答案
A
解析
stringent, stern, austere三者都有严厉的意思,但用法并不同,含义也有区别。Stringent means having a very severe effect, or being extremely limiting. E. g. we need to introduce more stringent measures such as identity cards.它指措施、操作等是严格的。Stern means severe, or showing disapproval. E. g. a stern look/ warning它指严厉的,一般用来指人。Austere means without comfort, or plain and without decoration, or severe.它指的是环境严峻,或地方简朴无多余装饰。用来指人指庄重的。所以据题意应该选A。
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