2024年3月29日,兰州市西固区禁毒办联合区教育局等单位,走进兰州市第二十一中学,开展了一场鲜活有趣的毒品预防教育进校园活动。西固区禁毒办工作人员通过各种形式向学生们深入介绍了毒品的危害及预防方法,进一步加深了他们对毒品预防知识的了解。从材料看,毒品预防教育的首要重点对象是( )
无业人员
青少年
流动人口
老年人
After the Arab states won independence, great emphasis was laid on expanding education, with girls as well as boys __________ to go to school.
What he has said is reasonable __________.
Max is hard-working ,cheerful, and __________ honest.
It's likely that she will be __________ from punishment, as our teacher has been convinced by her excuse.
—We have a tight schedule, so you mustn't __________ staring at the ceiling. —No, I won't.