BMR的实测值与正常平均值比较,正常变动范围是
A.±(3%~5%)
B.±(5%~8%)
C.±(10%~15%)
D.±(15%~25%)
E.±(20%~30%)
参考答案:C
Which statement concerning GPS is TRUE().
A.It cannot be used in all parts of the world
B.There are 12 functioning GPS satellites at present
C.It may be suspended without warning
D.Two position lines are used to give a 2D fix
要在Excel工作表区域Al:A10输入等比数列2、4、8、16……1024,可以在A1单元输入数字2,在A2单元输入公式( ),然后选中A2单元,用鼠标拖动填充柄至A10单元即可。
A.=2*$A$1 B.=2*A1 C.=2+$A$1 D.=2+A1