职业性接触毒物危害分级指标不包括( )。
A．急性中毒发病状况B．慢性中毒患病状况C．总毒物浓度D．最高容许浓度
参考答案：C
Here is a lot of the things that classmate lost. Please help to find the owners.
小题1:Liu Mei lost a yellow ruler, she can find in ______.
A．the teacher’s box
B．Lily’s box
C．Wang Tao’s box
D．her box小题2:You can find _____ in the teacher’s box.
A．the purple ruler
B．the red eraser
C．the green jacket
D．the black pencil小题3:How many school things(学习用品) did classmates lost?
A．Six
B．Seven
C．Eight
D．Nine
丹麦的重要港口城市之一是鹿特丹，每年货物的吞吐量很大。（）
