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If it were not for the fact that I _____ very busy,I would go with you. [ ]
1年前
My house has three _______ . It has enough_______ for you to hold a dance party here.
1年前
6.5m3=______dm3 ; 53mL=______L; 5700cm3=______dm3; 2.4L=______mL; 15时=______日; 600g=______kg.
1年前
His father (watches TV)every evening 对括号部分提问
1年前
如图所示是“研究声音的特性”实验,若用大小不变的力拨钢尺,改变尺伸出桌边的长度,探究的是________ 与频率的关系;这种科学研究的方法叫做________法。
1年前