A:热量
B:水分
C:土壤
D:技术
在科技活动中,同学们准备自己动手制成弹簧测力计,它们选了A、B两种规格不同的弹簧进行测试,绘出如图所示的图像.若他们要制作量程较大的弹簧测力计,应选用弹簧____,若要制作精确程度较高的弹簧测力计,应选用弹簧____。(填“A”或“B”)
阅读理解A
Millie:I usually ride my bike to schoo1.It takes me about twenty minutes.Sometimes,my father drives me to school in his car.
ff:My sister Mona and I like running to school.Running is good for us.Usually we leave home at half past seven.Then we get to school at seven fifty.
Alice:I don't like getting up early in the morning.So I have no time for breakfast at home.I usually have it on the school bus.I like my is ride because in the thirty minutes,I can eat my breakfast and walk with my friends.
Mike:My home is ten kilometers from my school.Every morning I
get up early.After breakfast l walk to the subway station.That
takes about ten minutes.Then I take the subway to school.It takes
twenty minutes.