叉车各导线要卡子化不得随意拉线以免绝缘破损着火。
参考答案：对
The quality of the goods we have received is not as good as the （）presented.
A．sample
B．example
C．for example
D．gift
组织细菌含量＞105CFU/g组织，伴有全身中毒症状，可能是
A．COB．醛C．氰化物D．CO 2E．芥子气
