为了履行《联合国 * * 败公约》,我国应当开展有助于不容忍腐败的公众宣传活动,以及包括中小学和大学课程在内的公共教育方案。
参考答案:对
根据句意填写适当的单词 。
1. I spcnt a long summer __________.
2. A lot of __________ visit our city every year.
3. I think going __________ in the forest is a good activity. ,
4. I hope I can __________ all my problem after I come back from my trip.
5. Julia is going to have a long vacation in a beautiful __________ because it is far from the city.
下列有关碱金属的叙述,不正确的组合是[ ]
①Li通常保存在煤油中,以隔绝空气
②碱金属在常温下呈固态,取用时可直接用手拿放
③碱金属中还原性最强的是钾
④碱金属阳离子中,氧化性最强的是Li+
⑤碱金属的原子半径和离子半径都随核电荷数的增大而增大
⑥从Li到Cs,碱金属的密度越来越大,熔沸点越来越高
A.①②③⑥
B.②③④⑥
C.③④⑤⑥
D.①③⑤⑥