【单选题】For further information about upcoming sales promotional events, please _______ one of our sales representatives.
【单选题】沙门氏菌检验增菌时,移取()四硫磺酸钠煌绿(TTB)增菌液。
【单选题】As our products are of high quality and at moderate price,they()fast sales in the international market.
【单选题】给费郑华添加称呼(使用IF函数,性别:男,称呼为“先生”,否则为“女士”),正确的为:
D.
=if(B1="费郑华","女士","先生")
【单选题】在合同中规定卖方所交货物的数量可以比合同规定的数量多交或少交若干称为( )。
【判断题】为防止起重机起升机构传动系统断轴而发生物件坠落事故,有些制动器安装在高速轴上或卷筒上。