将一副三角板按如图所示的位置摆放在直尺上，则∠1的度数为
将一副三角板按如图所示的位置摆放在直尺上，则∠1的度数为
—Our Party’s 100th birthday is coming.
—Oh, great! We will have many activities to ________ celebrate it.
2021年2月25日，全国脱贫攻坚总结表彰大会在北京隆重举行．从2012年开始，经过七年多的精准扶贫，特别是四年多的脱贫攻坚战，全国现行标准下的9899万农村贫困人口全部脱贫，完成了消除绝对贫困的艰巨任务，创造了又一个彪炳史册的人间奇迹，数9899万用科学记数法表示为
如图是一个正方体的展开图，把它折叠成正方体后，有“学”字一面的相对面上的字是
A small town in Norway doesn’t get direct sunlight from late September to mid-March — ________ six months out of the year.
Li Lei didn't play computer games last weekend. ________, he worked as a volunteer in an old people's home.
—What time is it now?
—I can’t tell you the time________, but I know it’s too late.
Kelly White loves all sports, __________skating.
—What’s the best movie theater in town?
—Sun Cinema. You can sit the most ________ there.
