Scientists are convinced _____ the positive effect of laughter _____ physical and mental health. |
A. of; at B. by; in C. of; on D. on; at |
科目:高中英语 来源: 题型:
Scientists are convinced the positive effect of laughter physical and mental health.
A.of; at B.by; in C.of; on D.on;at
科目:高中英语 来源: 题型:
Scientists are convinced ___ the positive effect of laughter ___ physical and mental health.
A. of; at B. by; in C. of; on D. on; at
科目:高中英语 来源: 题型:
Scientists are convinced_____the positive effect of laughter_____physical and mental health.
A.of; at B.by; in C.of; on D.on;at
科目:高中英语 来源: 题型:
Scientists are convinced ___ the positive effect of laughter ___ physical and mental health.
A.of;at B.by;in
C.of;on D.on;at
科目:高中英语 来源: 题型:
Scientists are convinced the positive effect of laughter physical and mental health.
A. of; at B. by; in C. of; on D. on; at
科目:高中英语 来源: 题型:
Scientists are convinced the positive effect of laughter physical and mental health.
A. of; at B. by; in C. of; on D. on; at
科目:高中英语 来源: 题型:
Scientists are convinced. _______ the positive effect of laughter _______ physical and mental health.
A. of; at B. by; in C. of; on D. on; at
科目:高中英语 来源:2014届河南中原名校联盟高三上学期第一次摸底考试英语试卷(解析版) 题型:单项填空
Scientists are convinced ________ the positive effect of laughter ________ physical and mental health.
A. of; at B. on; at C. by; in D. of; on
科目:高中英语 来源:2011-2012学年辽宁省葫芦岛市五校协作体高三8月模拟考试英语题 题型:单项填空
Scientists are convinced _______the positive effect of laughter ______ physical and mental health.
A. of ; at B. by ; in C. of ; on D. on ; at
科目:高中英语 来源:2007年高考试题(江西卷)解析版 题型:单项填空
Scientists are convinced ___ the positive effect of laughter ___ physical and mental health.
A.of;at B.by;in
C.of;on D.on;at
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