社会优抚和安置的对象为社会成员中受人尊敬和爱戴而又有光荣身份的( )
A.现役军人
B.退伍军人
C.伤残军人
D.现役军人家属
E.为国捐躯军人家属
参考答案:B,C,D,E
两只棕色鸟杂交,子代有23只白色,26只褐色,53只棕色。棕色鸟和白色鸟杂交,其后代中白色鸟所占比例是[ ]
A.100%
B.75%
C.50%
D.25%
应给出杀虫剂限度试验结果。
A.Limit test for heavy metals and foreign organic and mineral matters should be given.B.Limit test for contaminants should be provided, such as heavy metals, foreign organic matters and mineral matters.C.Limit test for arsenic and lead should be given.D.Limit test for pesticides may be needed.E.Limit test for stemand rachis fragments in the leaves and leaflets,should be given.找出相应的英文