2019年mpa考试英语真题——介词和介词短语2910

{01}Believe it or not, weather forecasts seven days in advance are,        , wrong half the time, according to a US survey. A.at first B.in brief C.on average D.by chance 解析：略
本题选C。
{02} When you are learning a foreign language, _______, you must forget your own language. A.at the first B.first of all C.in first D.first at all 解析：本题的含义是当你学习一门外语的时候，首先你必须要忘记你自己的语言，first of all表示首先的意思，故本题选B。
本题选B。