【简答题】(1)做一个底面直径是8cm,高是18cm的圆柱体茶叶罐,至少需要多少平方厘米的铁皮? (2)与这个茶叶罐等底等高的圆锥形茶杯能装多少毫升的水?
【简答题】The diagnosis seems in every case to correspond exactly with all the sensations that I have ever felt.
【单选题】Choose the correct words or phrases to complete the sentences. Nearly all trees have seeds that fall to the earth, take foots, and eventually ____. .
D.
new seeds are generated
【判断题】事业单位处置固定资产,处置过程中的收入、发生的相关费用也要通过“待处置资产损溢”科目核算。()
【单选题】对于 2选1的MUX可以采用如下描述out1 = select ? input1: input2; 即 select=1时,输出为
【单选题】高效包衣机中由中效和高效过滤器、预热器组成的系统是
【简答题】一堆煤成圆锥形,底面直径是6米,高是3米,把这些煤放进一个底面直径是3米的圆柱形煤罐里,高会是多少米?
【单选题】On modern farms, farmers need mostly all the followings EXCEPT______.
【单选题】以下哪种计算法有如下特点:所求得的平均数,包含了长期趋势变动。( )