Many phone numbers ____________ zeros.[ ]
A. has
B. are
C. have
答案：C
大量清热解毒药配以疏散风热药，寓“火郁发之”之义的方剂是
A．清瘟败毒饮B．青蒿鳖甲汤C．普济消毒饮D．黄连解毒汤E．龙胆泻肝汤
按《2000通则》规定，C组贸易术语均由卖方负责签订运输合同。( )
