2021-2022年英语周报高三HZ第42期答案

4.参考答案D◎命题透析细节理解题。◎思路点拨根据文章第一段中的“ He wanted them to have a look at the best gift he' d received in many years: a new pair ofgloves."可知, Martins将他的朋友们邀请到一家酒吧是为了向他们展示一套独特的仿生装置,该装置可以让他重新开始弹琴。25.参考答案C◎命题透析细节理解题。◎思路点拨根据文章第二段中的“ By then,be’ d experienced24 medical procedures to try to reduce the pain caused by a raredisease and from a series of accidents. His limitations had forced him to work mostly as a musical conductor since the early 2000s. "]buMartins因为身体原因而无法正常弹琴。26.参考答案A◎命题透析推理判断题。⊙思路点拨根据文章第二、三段内容可知, Martins饱受病痛折磨且被劫匪袭击过,由此可以推断,他很不幸;根据文章第三中的“ Martins’ health problems date back to1965, but he lives with them happil.”可以推断,他非常乐观。27参考答案◎命题透析推理判断题。o思路点拨根据文章第四段中的“ He decided to create special bionic gloves for Martins’ hands. He created early models based onpictures of Martins, hands, but they were far from perfect. He then decided to tell martins about his efforts.”可知, Costa决定为 Martins的手制造一种特殊的仿生手套,他根据 Martins的手部照片创造了早期的模型,但它们不够完美,于是他决定把自己付出的努力告诉Martins。由此可以推断, Costa的这一计划刚开始是对 Martins保密的。

24.(1)题意知物块A随传送带一起做匀速直线运动,设物块B做加速度大小为a的匀减速直线运动,则由牛顿第二定律有uMg设经时间t两个物块相撞,则有Uot+utt=/…2分解得t=1s或者t=11s(舍去)…………(2)规定向右为正方向,两个物块相撞后瞬间的速度为v1,则有M(-a)(+m)U,2分以两个物块为系统,经时间t两个物块相对传送带静止,由动量定理摄(M+mgl'=-M+m)0-(M+m)1……………1分解得xt'=3.3s…………………………1分(3)设物块B在与物块A相撞之前与传送推因摩擦产生的热量为Q,由能量守恒定律有Q=0Mu-0MU-an)+uMgu分设碰撞之后物块与线这带国原擦产生的热量为Q:由能量守恒定律有uMg- vo/=)+TJ1分物块B与传送带因摩擦产生的热量Q=1+Q解得Q=884J…………更多试题;关注新浪微博·《高考倒计时微博》1分

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