1951年至1952年间，我国在党政机关工作人员中开展了一场“三反”运动，“三反”指什么？
参考答案：反对贪污、反对浪费、反对官僚主义。
根据句子意思，在空格中填写适当的单词，使句子完整、正确。
1. — Can you help me to solve this difficult maths problem?
— With _____.
2. He is _____. Please give him something to eat.
3. I don't like the colour of this pen. Could you show me _____ one?
4. December is the _____ month of a year.
5. Mary and her friends _____ themselves at the English party last night.
6. His eyesight is too poor. He can _____ see anything.
7. Forty-five minutes is three _____ of an hour.
8. With the help of his teacher, he has already _____ up with his classmates in study.
第二次世界大战中，美军虽然获得了中途岛海战的胜利，却也在这场战役中付出重大代价。美国在中途岛海战中损失的航空母舰是（）。
A、列克星敦号
B、约克城号
C、黄蜂号
D、萨拉托加号
