2019年mpacc考试英语真题——连词1296

{01} (2012·南京高二检测) Some people are worrying about the possibility _______ mobile phones could be responsible for a range of illnesses, from rashes (皮疹) to brain tumors.

A.that	B.why
C.how	D.whether

解析：
A 本题考查同位语从句。that是对名词possibility的内容的解释。句意：一些人担心手机可能会引起很多的病，像皮疹和脑瘤。
本题选A。
{02}(2014·东北三校模拟)We had just covered half the journey________the engine failed and we could do nothing but wait for help.

A.before	B.since
C.when	D.until

解析：句意为：我们刚走了一半这时发动机就出故障了，我们别无选择只能等着救援到来。when就在这时；突然……。before在……之前；since自从；既然；until直到。
答案：　C
本题选C。