For both sides’ ________, the contract placed clear obligations on this cooperation.
A. beneficent
B. beneficial
C. benefit
D. benefactors
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If this round of talk fails, the world’s trading environment is likely to become increasingly________.
A. contrasted
B. countless
C. hostile
D. hospitable
It is absolutely ________ that we deal with this emergency by tomorrow. .comparative B. impressive C. imperative D. operative
A. comparative
B. B. impressive
C. C. imperative
D. operative
(2014年广东广州,13题)用置换反应验证铁的金属活动性比铜强,下列各组药品能达到目的的是( )
A. Fe、Cu、H2SO4
B. Ag、FeSO4、CuSO4
C. Fe、Cu、ZnSO4
D. Fe、Cu、KOH
1.(2014年广东广州,13题)用置换反应验证铁的金属活动性比铜强,下列各组药品能达到目的的是( )
A. 154584
B. 1654168
C. 4565632952
D. 127445781