2022英语周报.HD答案

6.C【解析】根据甲、乙两种粒子打在照相底片上的点到人射磁场点的距离之比为514,可得甲、乙两种粒子在匀强磁扬中运动的轨道半径之比为5:4,甲、乙两种粒子是同位素,带电荷量相等。由qU=1mxm褥r=B2mUqUB=则甲、乙两种粒子的质量之比为2515,在磁场中的运动时间t=x=m,故甲、乙两种粒子的运动时间之比为25:16,C项正确。

第三节One possible version:Paragraph 1One night afier the museum closes, Maria appears atthe gate of the museum. She enters the building quietlyusing the security code that Max shared with her. Whendealing with a beautiful woman, men can be so stupid,she laughs to herself. She sneaks into the jewelry exhibitand destroys the alarms. Then she walks up to the glasscase protecting the Black Diamond and unlocks it with thekey she stole from Max. She laughs, "The Black Diamondis mineParagraph 2As she holds the diamond in her hands, the lights inhe museum go on. Then an alarm sounds and a team ofThey have caught her! As a police officerhandcuffs Maria, the lead police investigator comes into theroom. Her surprise is so strong that she is unable to speakIt is Max. She yells, How could I have been fooled byyou, a simple police detective? "Max puts his badge backin his pocket and says, "You can think about that in pris-on, and by the way, I speak perfect Italian

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