5的算术平方根是______,-8的立方根是______.
5的算术平方根是5,-8的立方根是-2.
故答案为:5;-2
The course normally attracts 20 students per year, ____ up to half will be from overseas.
A.in which
B.of whom
C.of which
D.for whom
从事生产、经营的纳税人应当自领取营业执照或者发生纳税义务之日起 ( )日内,按照国家有关规定设置账簿。
A.10
B.15
C.20
D.30