Parents, especially those of teenagers, care about their children’s education more than anything _小题1:_ （别的）.They would do everything for their children. Many of them spend most of their spare time【小题2】  （帮助） their children with studies. If they have no time or can’t do it【小题3】（他们自己）, they would hire family teachers or【小题4】_（送） their children to after-class schools. It seems as if a better education is all that parents _小题2: （期待）for children.

How can we explain the present situation? First of all, many parents have小题3:  （意识到）that future success _【小题7】__（取决于） more and more on skills and education. Secondly, in a competitive(竞争的)society there are both losers and【小题8】（胜利者）.Those who have better skills and more knowledge will enjoy more opportunities.

Certainly, it is【小题9】_（重要的） to learn to succeed, but the【小题10】（第一）thing to learn is how to survive (生存), how to be a qualified citizen(合格的公民). If this is included in good education, the children will surely have a bright future and be healthy in body and mind.

甲地调查发现100名12岁儿童身高的标准误是2.4cm，乙地调查发现100名2岁儿童身高的标准误是1.3cm，说明（）。

A.乙地调查中测量身高的准确程度比甲地好

B.甲地调查得到的样本均数变异程度比乙地大

C.甲地测量身高时平均误差为2.4cm，乙地测量身高时平均误差为1.3cm

D.甲地测量身高时最大误差为2.4cm，乙地测量身高时最大误差为1.3cm

E.甲地测量身高时最小误差为2.4cm，乙地测量身高时最小误差为1.3cm