We will spare no efforts to provide more（）products to our customers.
A. competitive
B. competing
C. competed
D. competition
Having been on the（）for the whole month, the criminal decided to turn himself in to the police.
A. escaped
B. caught
C. way
D. run
判定基因结构异常最直接的方法是（）。
A. PCR法
B. 核酸分子杂交
C. DNA序列测定
D. RFLP分析
E. SSCP分析
The woman with golden hair was taken away by the security guards on（）of being a criminal.
A. suspect
B. suspicion
C. doubt
D. belief
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