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Too many people want others to be friends, but they don’t give friendship back. That is why some friendships don’t last long. To have a friend, you must learn to be one. You must learn to treat your friend the way you want your friend to treat you. Learning to be a good friend means learning three rules: be honest; be generous; be understanding. Honesty is where a good friend starts. Friends must be able to trust one another. If you do not tell the truth, people usually find out. If a friend finds out that you haven’t been honest, you may lose your friend’s trust. Good friends always count on one another to speak and act honestly. Generosity means sharing and sharing makes a friendship grow. You do not have to give your lunch money or your clothes of course. Instead you have to learn how to share things you enjoy, like your hobbies and your interests. Naturally you will want to share your ideas and feelings. These can be very valuable to a friend. They tell your friend what is important to you. By sharing them, you h elp your friend know better. Sooner or later everyone needs understanding and help with a problem. Something may go wrong at school. Talking about the problem can make it easier to solve. Turning to a friend can be the first step in solving the problem. So a friend must listen and understand. You must try to put yourself in your friend’s place so you can understand the problem better. No two friendships are ever exactly alike. But true friendships have three things in common. If you plan to keep your friends, you must practice honesty, generosity, and understanding. 小题1:What’s the best title of the passage? A.Three Important Points in Life B.How to Be a Good Friend C.Honesty Is the Most Important Quality D.A Friend in Need Is a Friend Indeed 小题2:Some friendships don’t last long because________. A.some people don’t treat friendship seriously B.there are too many people who want to make friends C.they don’t share their lunch money D.some people only receive friendship but don’t give friendship back 小题3:In the 2nd paragraph the underlined phrase “count on” probably means _______. A.calculate B.trust C.matter D.include
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【单选题】已知反应Zn(s)+H 2 SO 4 (aq)===ZnSO 4 (aq)+H 2 (g) 放出能量,则下列关于该反应的叙述不正确的是 (  )
A.
该反应中旧键断裂需吸收能量,新键形成需放出能量,所以能量不变
B.
反应中放出的能量与反应物的用量有关
C.
该反应的化学能可以转化为电能
D.
反应物的总能量高于生成物的总能量
【单选题】他差点走入○途。
A.
B.
【简答题】根据我国现行著作权法的规定,电影作品中的音乐作品的作者有权单独行使其著作权。( )
【单选题】中国传统三大幸福观来自儒家、佛家和()。
A.
法家
B.
道家
C.
墨家
D.
名家
【单选题】已知:H + (aq)+OH - (aq)→H 2 O(l)+57.3kJ.对于下列反应: ①HCl(aq)+NH 3 ?H 2 O(aq)→NH 4 Cl(aq)+H 2 O(l)+a kJ ②HCl(aq)+NaOH(s)→NaCl(aq)+H 2 O(l)+b kJ ③HNO 3 (aq)+KOH(aq)→KNO 3 (aq)+H 2 O(l)+c kJ 则a、b、c三者的大小关系为(  )
A.
a>b>c
B.
b>c>a
C.
a=b=c
D.
无法比较
【单选题】已知反应Cu(s) + 2Ag + (aq) = Cu 2+ (aq) + 2Ag(s)为一自发进行的氧化还原反应,将其设计成如图所示原电池。下列说法中正确的是
A.
电极X是正极,其电极反应为Cu-2e - =Cu 2+
B.
银电极质量逐渐减小,Y溶液中c(Ag + )增大
C.
实验过程中取出盐桥,原电池仍继续工作
D.
当X电极质量减少0.64 g时,外电路中有0.02 mol电子转移
【判断题】根据我国现行著作权法的规定,电影作品中的音乐作品的作者有权单独行使90其著作权。()
A.
正确
B.
错误
【单选题】已知反应 2HgCl 2 ( aq ) +Sn 2+ ( aq ) =Sn 4+ ( aq ) +Hg 2 Cl 2 ( s ) +2Cl - ( aq )的 E θ =0.503V, ψ θ ( Sn 4+ /Sn 2+ ) =0.153V, 则ψ θ ( HgCl 2 /Hg 2 Cl 2 ) = ( ) V 。
A.
0.3493
B.
0.3286
C.
1.314
D.
0.6571
【单选题】已知反应 3KCN(aq) + 2KMnO 4 (aq) + H 2 O(l) = 3KCNO(aq) + 2KOH(aq) + 2MnO 2 (s) ,下列表示式中正确的是( )。
A.
-2 Δ c ( KMnO 4 )/ Δt = 3Δ c ( KCNO )/ Δt
B.
2 Δ c ( KMnO 4 )/ Δt = 3Δ c ( KCNO )/ Δt
C.
3 Δ c ( KMnO 4 )/ Δt = 2Δ c ( KCNO )/ Δt
D.
- 3 Δ c ( KMnO 4 )/ Δt = 2Δ c ( KCNO )/ Δt
【单选题】下列关于化学反应的描述中正确的是              (  )。
A.
需要加热才能发生的反应一定是吸热反应
B.
已知NaOH(aq)+HCl(aq)=NaCl(aq)+H 2 O(l) ΔH=-57.3 kJ·mol -1 ,则含40.0 g NaOH的稀溶液与稀醋酸完全中和,也放出57.3 kJ的热量
C.
CO(g)的燃烧热是283.0 kJ·mol -1 ,则表示CO(g)的燃烧热的热化学方程式为2CO(g)+O 2 (g)=2CO 2 (g) ΔH=-283.0 kJ·mol -1
D.
已知2C(s)+2O 2 (g)=2CO 2 (g) ΔH=a,2C(s)+O 2 (g)=2CO(g) ΔH=b,则b>a
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