2022英语周报高一课标58答案

知,因此不存在因电流表的内阻引起的系统误差24解:(1)B球在D点有mBg=m(分)B球做平抛运动,则有2R=5g2(1分)B球的落地点与C点的距离s=vt=0.8m(1分)(2)B球离开弹簧后,由机械能守恒定律得2mvh=2mp+mb(2分)弹簧弹开A、B过程,由动量守恒定律得mAA=mBUB(2分)A球和M水平方向动量守恒,机械能守恒,A球到最高点时与圆弧槽速度相等,则有mAUA=(M+mA)v(2分)mAv=2·(M+mA)2+mAgh(2分)解得h=0.125m(1分)

本文是议论文。文章讨论了万圣节南瓜是否可以吃的问题24.A。细节理解题。根据第二段中的 The Howden pumpkin- the most common variety fordecorative uses- has been produced for its size, shape, color and having a handle-likestem for easy carrying可知, Howden pumpkin非常适合制作万圣节南瓜灯25.C。细节理解题。根据第三段中的 You could puree your pumpkin… using the puree forbaking…,和第四段中的Now, admittedly, eating your Halloween pumpkin this way meansnot carving it可知,在第三段中 Kammler告诉 The salt应该如何烹制未雕刻的南瓜。26.A。推理判断题。根据第五段中美国食品药品监督管理局的发言人 Lauren Sucher所说的They may have been left outside for days and exposed to dirt and insects, and possibly waxand smoke, But we recommend that consumers who want to use their pumpkins for foodset aside some parts可以推知,他们不支持食用雕刻过的万圣节南瓜。27.D。细节理解题。根据最后一段中的 Donate your pumpkin to compost at your localfarmers' market和it' s helping crops grow可知,人们可以把不想要的南瓜送给农场作肥料。

以上就是2022英语周报高一课标58答案，更多英语周报答案请关注本网站。