Laura had warned Jake not to【C8】______ illegal drugs when he was younger and felt sure he got the message. But according to a new U.S. News【C9】______ , even parents who believe they talk often with their kids about drugs can be【C10】______ . Of 700 parents and 700 teens surveyed, 1【C11】______ 3 parents claimed to talk about drugs "a lot" with his or her teen, while only 14 percent of teenagers felt they had frequent conversation on the【C12】______ with Mom or Dad.
That failure to communicate can have【C13】______ con sequences. In a 1999 survey of nearly 10, 000 parents and teens【C14】______ the Partnership for a Drug-Free America, teens who【C15】______ anti-drug messages at home were 42 percent 【C16】______ to use drugs. "This may sound like【C17】______ advice," says Steve Dnistrian, executive vice president of the group. "But hard numbers quantify that parental communication is the 【C18】______ most important thing we can do to prevent children using drugs." Indeed, parents received 【C19】______ vote of confidence from 63 percent of the teens polled by U.S. News,【C20】______ siblings, teachers, and friends.
【C1】
A.believed
B.dreamed
C.assured
D.thought
第3题
A.模式色散 >> 材料色散 > 波导色散
B.材料色散 > 波导色散 >> 模式色散
C.模式色散 >> 波导色散 > 材料色散
D.材料色散 > 模式色散 >> 波导色散
第4题
A.材料色散>>波导色散>模式色散
B.模式色散>>材料色散>波导色散
C.材料色散>>模式色散>波导色散
D.模式色散>>波导色散>材料色散
第5题
A.材料色散>>波导色散>模式色散
B.模式色散>>材料色散>波导色散
C.材料色散>>模式色散>波导色散
D.模式色散>>波导色散>材料色散
第6题
A.模式色散>>材料色散>波导色散
B.模式色散>>波导色散>材料色散
C.材料色散>>模式色散>波导色散
D.材料色散>>波导色散>模式色散
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