考博考试

【单选题】Almost overnight,Ames became a hero of environmentalists when his finding led to new and ______ bans on certain chemicals.
A、regulationsB、authorities
C、orders
D、suggestions

网考网参考答案：B
网考网解析：
authority权威，威信；regulation规则，调节，校准；order次序，顺序；suggestion提议，意见。 document.getElementById("warp").style.display="none"; document.getElementById("content").style.display="block"; 查看试题解析出处>>