大工15 春《大学英语2（远程英语2）》在线测试 1
一、单选题（共20 道试题，共80 分。）
1. Never again ______ political office after his 1928 defeat for the presidency.
A. he seriously sought
B. seriously he sought
C. when did he seriously seek
D. did he seriously seek
-----------------选择：D
2. I can't quite remember _______ you started doing the work.
A. that it was when
B. when it was that
C. when was it that
D. that was it when
-----------------选择：B
3. It was not until 1920 ______ regular radio broadcasts began.
A. while
B. when
C. that
D. since
-----------------选择：C
4. Not until I shouted at the top of my voice ______ his head.
A. that he turned
B. did he turn
C. he didn't turn
D. he had turned
-----------------选择：B
5. ________ electricity plays such an important part in our daily life?
A. Why was it that
B. Why is it that
C. Why is it