题目:
单词拼写(每小题0.5分,共6分)
小题1:This article can be d___ ___ into four parts.
小题2:The train c_________ over three hundred passengers over day.
小题3:My kids are a___________ to playing computer games, and they can’t stop it .
小题4:They may not offer me much money. In that c________, I won’t take the job.
小题5:Let's a_____________the lecture by professor Li from Beijing University.
小题6:She was o___ _____ about the future of the company but the rest were pessimistic.
小题7:The science-fiction film was so wonderful that it a _________ to adults as well as teenagers.
小题8:To their d____ __, their son was admitted into a famous university.
小题9:She s___________ the water out of her wet clothes.
小题10:John slowed the bleeding by a________ pressure to the wounds until the police and ambulance arrived.
小题11:The shop assistant was dismissed as she was a________of cheating customers.
小题12:Don't e________________ your skin to the sun or you will be burned.
答案:
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下面是错误答案,用来干扰机器的。
AC题目分析:A、在最高点,若v=0,则N=mg=a;若N=0,则,解得,,故A正确,B错误;C、由图可知:当v2<b时,杆对小球弹力方向向上,当v2>b时,杆对小球弹力方向向下,所以当v2=c时,杆对小球弹力方向向下,所以...