某小学六年级有102个学生,今年“植树节”共栽种树苗700棵,他们平均每人大约栽种______棵.
700÷102≈7(棵),
答:他们平均每人大约栽种7棵.
故答案为:7.
Computers and the advantage _________ gave us _________ being made better use of presently.
A.that;is
B.they;are
C.it;was
D.which;were
光缆的加强元件一般是()。
A、玻璃纤维
B、防水胶布
C、金属丝
D、非金属纤维