Scientists are convinced ________ the positive effect of laughter _______ physical and mental health.
A. of; at B. by; in C. of; on D. on; at
高二英语单项填空困难题
Scientists are convinced ___ the positive effect of laughter ____ physical and mental health.
A. of; on B. by; in
C. of; at D. on; at
高二英语单项填空中等难度题查看答案及解析
Scientists are convinced ___ the positive effect of laughter ____ physical and mental health．
A．of; on B．by; in C．of; at D．on; at
高二英语单项填空简单题查看答案及解析
Scientists are convinced _____ the positive effect of laughter _____ physical and mental health．
A．of; on B．by; in C．of; at D．on; at
高二英语单项填空中等难度题查看答案及解析
Scientists are convinced _______ the positive effect of laughter _______ physical and mental health.
A.in; on B.of; on C.on; at D.in; at
高二英语单项填空简单题查看答案及解析
Scientists are convinced ______ the positive effect of laughter ______ physical and mental health.
| A．of；at | B．by；in | C．of；on | D．on；at |
高二英语单项填空中等难度题查看答案及解析
Scientists are convinced ________ the positive effect of laughter _______ physical and mental health.
A. of; at B. by; in C. of; on D. on; at
高二英语单项填空困难题查看答案及解析
Scientists are convinced __________ the positive effect of laughter _________ physical and mental health.
A. of; at B. by; in
C. of; on D. on; at
高二英语单项填空中等难度题查看答案及解析
Scientists are convinced ___________ the positive effect of laughter ___________ physical and mental health.
A. of; at B. by; in C. of; on D. on; at
高二英语单项填空简单题查看答案及解析
These experiences ______ me _____ the drug’s harmful effects.
A. are convinced; by B. convinced; of C. were convinced; by D. convinced; at
高二英语单项填空中等难度题查看答案及解析
These experiences ______ me _____ the drug’s harmful effects.
| A．are convinced; by | B．convinced; of | C．were convinced; by | D．convinced; at |
高二英语单项填空简单题查看答案及解析