烟是生产性毒物的一种较常见的存在方式,其直径是()。
A.<0.1μm
B.0.1~0.5μm
C.0.5~1.0μm
D.1.0~5.0μm
E.>5.0μm
参考答案:A
用所给词的适当形式填空。
1. My sister is a_____ girl. She does everything _____ (care) .
2. There are a few _____ (ladder)under the apple trees.
3. Danny was _____ (injure) yesterday.
4. I heard him _____ (go) out just now.
5. Look! Danny _____ (lie) on the floor.
人力资源规划的三个逻辑基础不包括()。
A、业务和战略分析
B、供给与需求分析
C、采取的具体措施
D、产生的后果