每月对所有救生艇及降落设备做外观检查。（）
参考答案：错
大多数细菌、真菌、蘑菇进行的营养方式是 ( )
A．寄生
B．自养
C．腐生
D．分裂
34. The designs of the new tools should be ________ carefully, so that we can pick out the one that suits our work.
A．experimented
B．examined
C．exercised
D．tried
