【单选题】There are some social problems in the United States. And drug abuse has come to be 【21】______ as one of the most challenging social problems facing the nation. Indeed, the very word' drug' excites str...
【单选题】For years the strategy against drug ______.
A.
hasn't worked as desired
B.
has encouraged the supply of drug
C.
hasn't cut off the networks that distribute drug
D.
has cracked clown on drug consumers
【判断题】在民航服务中,“请”是一种礼貌更是一种姿态。
【单选题】For years the strategy against drug ______.
A.
hasn't worked as desired
B.
has encouraged the supply of drug
C.
hasn't cut off the networks that distribute drug
D.
has cracked down on drug consumers
【单选题】Anti-drug work has become a ______ of attention among the international community with the spread of drug abuse in the world.
【单选题】下列各类打印机中,__打印机是目前打印质量最好的打印机
【简答题】Consumer mistrust has led to ______ about drug safety and risks.