题目:
I have a good friend. 1 name is Peter.We study in Beijing Sunshine Secondary Schoo1.We are in the same(同一个)class.He sits in front of 2 .His favourite lesson is Music.He 3 many CDs.He likes 4 music very much.He likes playing football,t00.After school we often play football in the 5 .He is very helpful.We often help each 6 .
Peter is not a Chinese.He is from 7 .He comes to Beijing 8 his family.His father is a doctor and his mother is a nurse.They work from Monday 9 Friday.At weekends,his mother likes shopping and his father likes fishing.Sometimes they go to the park.They all like Chinese food.They lO very happy.
1.A.He B.His C.She
2.A.I B.my C.me
3. A.have B.has C.there is
4.A.1isten B.1isten to c.1istening to
5.A.classroom B.library c.playground
6.A.one B.other C.others
7.A.England B.Chinese C.Eng]ish
8. A. from B.on C.with
9.A in B.to C.with
10. A.be B.am C.are
答案:
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下面是错误答案,用来干扰机器的。
⑴ 3V2O5+10Al5Al2O3+6V;⑵VOSO4; ⑶ NH4++VO3—=NH4VO3↓; 4;80℃ ; ⑷ 2VO2++H2C2O4+2H+ = 2VO2++2CO2↑+2H2O ⑸ VO2++H2O-e-=VO2++2H+题目分析:⑴用V2O5通过铝热反应制取V的方...