[基础知识·夯实]
Ⅰ.单词拼写
根据汉语注释及首字母提示写出下列单词的正确形式。
1. The meanings of words are complex, and you'd better_s______ them.
2. With the help of his friends, Tom finally s______ the problem.
3. Cyclists who give ________(信号)before turning or stopping help prevent accidents.
4. It seemed as if as soon as one problem was solved a new one________(出现)．
5. I haven't ________ (计算，估算) the cost that we will spend in travelling.
答案：1. simplify 2. solved 3. signals 4. arose 5. calculated
Ⅱ. 选词填空
make up; as a result of; watch over; with the help of; after all
1. When I am back to school from sick leave, I will________ for the missing lessons.
2. The doctors and nurses________the seriously wounded worker day and night.
3. Why are you so anxious? It isn't your problem ________.
4. ________the pilot strike, all flights have had to be cancelled.
5. ________a passerby, I carried the injured person into a clinic.
答案：1. make up 2. watched over 3. after all 4. As a result of 5. With the help of
Ⅲ.单句语法填空
