提升机系统中的事故提升电机，一般采用什么启动方式（）。
A.直接启动
B.星三角启动
C.变频启动
D.间接启动
参考答案：B
用延续性动词改写下列句子。
1. The man has left China. The man has _____ _____ _____ China for 20 years.
2. The movie has finished. The movie has _____ _____ for half an hour.
3. I have borrowed the book. I have _____ the book for a month.
4. He has joined the Party. He has _____ _____ the Party for 30 years.
5. I have bought the bike. I have _____ the bike for 6 years.
根据《合同法》的规定，在以欺诈方式订立的合同当中，提供虚假信息即欺诈一方也有权主张合同的变更、撤销。( )
