A:“嘈嘈切切错杂弹,大珠小珠落玉盘”,意思是即使大弦小弦一起奏响,那听上去杂乱无章的乐音也如珠玉之声一样清脆悦耳。
B:“大弦”“小弦”两句既用“嘈嘈”“切切”这样的叠词摹声,又用“如急雨”“如私语”比喻,使乐曲旋律形象化。
C:“间关”之声,婉转流利,而这种声音又好像“莺语花底”,视觉形象的优美强化了听觉形象的优美。
D:“别有幽愁暗恨生,此时无声胜有声”写的是当乐曲短时休止时,另外传达出深藏心底的愁思,这无声时刻的感染力更胜过有声之乐。
取同一植株相同大小的两个枝条,分别标记为A、B.枝条A保留叶片,枝条B摘除叶片,然后将它们分别插入两个大小相同盛有等量清水的量筒中.在量筒中滴加油滴,让油滴铺满水面,将这两个装置放在相同的环境条件下24小时后,观察量筒中液面的变化.
A:Dad!Can I go o____now?
B:No,it's too late.
A:Well, can I p____my violin?
B:No,you can't.You must be q____.Your sister is doing(正在做)her homework.
A:What can I do then?
B:You can help your mom dothe d____.
A:Oh,no! I don't like doing that.
B:What do you like doing?
A:I like going out and playing with my friends.
B:Jason,you can't go out after 8:00p.m.Don't you know the r____?
A:I know! I know!
截至目前,中国已向160个国家和区域组织提供了援助,援助项目达2000多个。这说明( )