第二节 请选择方框中正确短语的适当形式完成下列句子（每空1分，共5分）

stare at, on the contrary, take a chance, in rags, as for，account for, do with

1. They lived a hard life, and they were usually ____________.

2. They serve well in this restaurant. ___________ dishes, they taste terrible.

3. He is not a beggar. ____________, he is a millionaire. 

4. The little girl _____________ the little cats playing with each other in their basket.

5. The rope might break, but we have to _____________.

运输机械可按照用途、结构形式、工作原理等分为输送机械、装卸机械和给料机械。