心率
参考答案：每分钟心动周期的次数称为心率。正常成人安静时的心率为60～100/min，平均约为75/min。
给下面形近字注音并组词。
戈（ ）________
弋（ ）________
—Why is _____ easy for such a young girl to learn three foreign languages so well?
—Because Britain, Germany and France are all very near _____ country. [ ]
A. it; his
B. that; his
C. she; her
D. it; her
