高二英语Unit 2 Fit for life教案
1. trial n 试用，考验，审讯
We must put the machine to trial.= We must give the machine a trial.___________________
on trial ________________ try to do ___________________
try doing ______________ try on _____________________
try out ________________ try one’s best to do _________________
练习
⑴ —I usually go to school on foot.
—Why not ________ there by bike for a change?
A. manage to go B. try to go C. to manage going D. try going
⑵She succeeded in the examination ______ her second trial.
A. at B. in C. to D.on
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