The ()of this recipe (烹饪法) was made public one year after it was put into the market.
A. formula
B. form
C. flavor
D. frown
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无性繁殖依赖DNA载体的哪种结构?()
A. 筛选标记
B. 启动子
C. 复制起始点
D. 多克隆位点
In()to your inquiries, we regret to inform you that we can’t help you in this matter.
A. order
B. response
C. answer
D. reaction
He never()to read the news but turned at once to the crossword puzzle on the last page.
A. worried
B. noticed
C. pained
D. bothered
Children need to be()before entering school.
A. socialized
B. centralized
C. warned off
D. cared for