虚假水位现象是由于()造成()引起炉水状态发生改变引起的。
参考答案:负荷突变、压力变化
Despite all the hype and glory, Jeremy Lin, who is ____NBA's first American-born player of Chinese
descent , is known as_____ humble and sometimes shy guy. [ ]
A. the ;不填
B. a ;the
C. a ; 不填
D. the; a
商业承兑汇票的付款期限由交易双方自行商定,但最长期限不得超过( )。
A.12个月
B.9个月
C.6个月
D.3个月