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【題目】Don't waste words on him. He is so ______ that you can't expect him to change his mind.
A.stubborn
B.merciful
C.modest
D.sincere

A. multipliesB. negotiates

C. opposesD. polishes

A. HoweverB. Instead

C. ProbablyD. Otherwise

A. in practiceB. in position

C. in dangerD. in mind

【題目】Across China, ordinary people are becoming more and more ______ of the issue of environmental protection.
A.dependent
B.ignorant
C.alike
D.aware

A. pensionB. prevention

C. occupationD. permission

A. officiallyB. official

C. officeD. officer

A. whileB. when

C. asD. the moment