电磁打点计时器

spend time on doing something is correct, is that spend time to do something okay? 帮忙看下如何统计word里一篇文章的单词量　迷茫了, 问问大家如何统计word里一篇文章的单词量　会的人说下嘛,十分感谢各位依8 如图,BE,CD交于点A,∠C与∠E的平分线交于点F（1）∠F与∠B,∠D有何等量关系?（2）当∠B:∠D:∠F=2:4：x时,求x的值（3）若2∠B=3∠D=（30x°）, 且有1/2x+ 1/（2×3）x+1/（3×4）x+.+1/（2007×2008）x=1 I am not used to being treated that do you have some free time ? 什么意思 请问如何统计word里一篇文章的单词量　迷茫了,十分谢谢了创9 请教大家下如何统计word里一篇文章的单词量　迷茫了,十分谢谢了 若圆（x-a）^2+（y-b）^2=b^2+1始终平分圆（x+1）^2+（y+1）^2=4的周长,则a,b应满足的关系式是（ ）.A.a^2-2a-2b-3=0 B.a^2+2a+2b+5=0 C.a^2+2b^2+2a+2b+1=0 D.3a^2+2a^2+2a+2b+1=0 I have a surprise_____ you.( to for )假如选择for ,那为什么不选择to. ( )I'm not used to _like that.A.to be spoken B.to speaking C.to being spoken D.being spoken 问问大家如何统计word里一篇文章的单词量　要用呀,打心底谢谢大伙焉3 I have a surprise _____ you.( to,for ) Why? YOU HAVE FOR I GIFTS .连词成句 noon 和night noon 和night night用英语怎么说? 英语on night解释下?拜托了各位 谢谢 请问下有人知道如何统计word里一篇文章的单词量　要用呀,感谢了 请问下大家知道如何统计word里一篇文章的单词量　有人了解的告诉下哟,感谢你们了 一件有趣的事作文怎么写200字 （） of 4 buses will take you to the station.we can take ( ) of them .A.Any every B .None any C,My mother hopes ( ) her do some housework first.A.me to help B.me help .c.me that I can help D.that I can help 选择哪个?The hotel at ( ） they are 严峻是什么词性?（褒,贬,中） 九年级上语文作业本第二单元复习的古文、古诗 Jack spends half an hour playing table tenJack spends half an hour playing table tennis every day .同义句____ ____ Jack half an hour ____ ____ table tennis every dayThe little girl paid the shopkeeper 10 yuan.同义句The little girl _____ _____ _ 明天就要交了.文山湖畔影 的下联是啥? “《水浒传》中,鲁提辖嫉恶如仇三拳打死了镇关西”请帮我对出两个下句句式大体相同即可 词性转换,给好评 《水浒传》中鲁提辖打了镇关西三拳,对鲁达的三拳淋漓尽致的详细描写,主要用意是? Mr.simith always 哈桑somegood撇厕所of___(news)to tell us （ ）Mr Lee tell jokes to us 坚强,鼓励,是什么词性坚强,鼓励,分别是什么词性快 如图,角ABD和角BDC的平分线交与E,BE交CD于点F,角1+角2=90度.试探究角2与角3的数量关系.