2019年mba考试英语模拟题——连词997

{01}26．Even if there is no scientific proof yet ______ secondhand smoke causes cancer, there is no reason why nonsmokers should be forced to take this risk． A.which B.that C.when D.Where 解析：略
本题选B。
{02}22.Some people are worrying about the possibility ________ cellphones could be responsible for a range of illnesses, from rashes to brain tumors. A.that B.why C.how D.Whether 解析：略
本题选A。