发动机连杆如有弯曲和扭曲变形,校正时应先校正弯曲,然后校正扭曲
参考答案:错
根据句意提示补全单词。
1. Bill Gates ___________ his interest in software when he was only 13.
2. Bill Gates and his friends often ___________ fortune magazine for fun.
3. Bill Gates ___________ Harvard University that many people dream of.
4. Bill Gates is a friendly, funny and ___________ person.
5. Everyone agrees that he is hardworking, ___________ and confident.
17-18世纪西欧商人海外贸易的特点是()
A、一般性的商业贸易与抢掠、欺诈相结合
B、进行一般性的商业贸易
C、热衷于海盗式的抢劫和贩卖黑人奴隶的贸易
D、资本输出、商品输出和掠夺原料相结合