2019年mpa考试英语真题——连词984

{01}The roof fell ______ the PLA men had time to rescue the child trapped in the house. A.until B.unless C.before D.because 解析：fall 是短暂性动词，所以不能用until，此句意思应该是“解放军还没有救出被困在房子里的小孩，房顶就掉下来了。”所以答案C。
本题选C。
{02}We don’t doubt        he will finish the task in time. A.which B.that C.if D.whether 解析：略
本题选B。
{03}The web is fantastic at many things—e-mail, e-commerce, for example. But ________ your name is Amazon or Google, making money has proved hard. A.if B.unless C.although D.as long as 解析：考查连词：A. if如果，B. unless除了，C. although虽然，D. as long as只要，句意是：这个网站在很多事情上都很好，比方说：电子邮件，电子商务。但除非你的名字是亚马逊或是谷歌，否则挣钱证明很难。选B。
本题选B。