C.与前半句相对应.这里仍应用比较级.而may better意思不对.因此be able to better为正确选项. 4 Farley worked for the Canadian government. One day, he was 1 to learn more about wolves. Do wolves kill lots of caribou? Do they kill people? They gave him lots of food and clothes and guns. Then they put him on a plane and took him to 2 . The plane put him down and went away. There were no houses or people in this place. But there were lots of animals and lots of wolves. People tell terrible stories about wolves. They say wolves like to kill and eat people. Farley remembered these stories, and he was 3 . He had his gun with him 4 . Then one day, he saw a group of wolves. There was a mother wolf with four baby wolves. A father wolf and another young wolf lived with them. Farley watched these wolves every day. The mother was a very 5 mother. She gave milk to her babies. She gave them lessons about life. They learned how to 6 food. The father wolf got food for the mother. The young wolf 7 the children. They were a nice, happy family-wolf family! Farley did not need his 8 any more. In a short time, he got on well with the family. Farley watched them for five months. He learned that many stories about the wolves were 9 . Wolves do not eat people, and they do not eat many large animals. And he also learned bad things about men. It was men who killed many caribou and wolves. Later, Farley wrote a book about wolves. He wanted people to 10 them and not to kill them. 查看更多

 

题目列表(包括答案和解析)

(10分)碳酸钙常用作牙膏的摩擦剂。某同学设计了一种制备碳酸钙的方案,其流程图如下。(所用石灰石含有杂质SiO2

回答下列问题:
(1)充分煅烧110吨石灰石得到固体66吨,则石灰石中碳酸钙的质量分数为      %。
(2)假设第①步反应完全进行,则第②步反应过滤后得到的不溶液性滤渣的成分为
                 
(3)第③步反应一般不采用通入CO2的主要原因是                           ,相应的离子方程式为                                     
(4)CaCO3是一种难溶液物质,25℃时其KSP=2.8×10-9。现将等体积的CaCl2溶液与Na2CO3溶液混合,若Na2CO3溶液的浓度为2.0×10-4mol/L,则生成沉淀所需CaCl2溶液的物质的量浓度最小是                
(5)某生用石灰石为原料,设计了另一种制备碳酸钙的实验方案,其流程图如下

与前一方案相比较,该方案的优点是               

查看答案和解析>>

阅读下面这首诗,完成①、②题。(7分)
精  卫   顾炎武
万事有不平,尔何空自苦。长将一寸身,衔木到终古?
我愿平东海,身沉心不改。大海无平期,我心无绝时!
呜呼!君不见西山衔木众鸟多,鹊来燕去自成窠。
【注】①精卫:古代神话中记载的一种鸟。相传炎帝的小女儿在东海溺水而死,死后化身为鸟,名叫精卫,飞到西山衔木石以填东海。②顾炎武:明末清初著名的思想家、史学家、语言学家,曾参加昆山抗清义军。
①下列对本诗的理解,不正确的一项是(3分)
A.前四句问精卫:万事皆有不平,你何必目空一切,自讨苦吃,以微小的身躯衔木填海不止?
B.五至八句精卫回答:我誓要填平东海,纵然力竭身沉,也绝不改变,大海不平,心无绝期。
C.诗歌前八句采用一问一答的对话形式,明确地揭示了精卫矢志平海、不惜捐躯的崇高精神。
D.诗歌末三句感叹西山衔木之鸟虽多,可是那些鹊、燕之类来来去去,却都只是为自己做窝。
②这首诗结尾处刻画了鹊、燕等众鸟的形象,这样写有什么作用?(4分)

查看答案和解析>>

阅读理解。
                               Letter 1
     Whatever I do, I always think about
if other people will like it. How can I stop
worrying about what they think?
                                          —Eva. New York

              Dr Molly's Answer①
     You should tell him about your dream and
that if you work really hard, it might happen even
though you started late. The sooner you tell your
dad how you feel, the sooner you'll be able to
work on making your dream come true.
                  Letter 2
     My dream is to be the Olympic team
player for gymnastics (体操). My dad thinks
I started too late and I'll never be able to
make it. He puts me down, but I want his
support(支持). What should I do?
                                          —Erica, 9. London
            Dr Molly's Answer②
     Nobody knows you at your new school. You
have nothing to lose, gather up all your courage
and go over to someone who looks friendly and
introduce yourself. You can ask that person about
your new school to break the ice. Good luck!

                      Letter 3
     What should I do if I failed a test?
I'm afraid to tell my mom because she
might get mad at me and I can't play soccer.
(1)And soccer is like the world to me.
                              —Ashley, 12 , Washington
           Dr Molly's Answer③
     It's better to tell your mom the truth. When
you tell her, explain why you failed the test. A8k
her if she can help you study in the future, so
you'll do better on your tests and also have time
for the soccer you love.
                  Letter 4
     I just moved and I'm kind of shy, so
 how do I make new friends?
                                             —Jessica,1,Canada
            Dr Molly's Answer④
Just be yourself and try not to care about
what others think. The more you think about it,
the worse you will feel. Always act strong and
confident. Even if you  are a little  unsure  of
something, don't doubt (怀疑) your abilities to
do things right. Just relax.

1. 将(1) 处画线部分译成汉语。
     ___________________________________________
2. 找出与四封信相对应的Dr Molly 回信的正确代号(用①②③④表示)
    (1). Letter 1 ______     
    (2). Letter 2 ______
    (3). Letter 3 ______     
    (4). Letter 4 ______

查看答案和解析>>

将听到的句子与下面的内容相对应。听一遍。
(     )1. Play tennis.        
(     )2. Visit aquarium.      
(     )3. Going to Cental Park.
(     )4. Had a yard sale.    
(     )5. It was boring.      

查看答案和解析>>

从右栏中找出与左栏相配的后半句(5分)

1.How much money

A.is it from his home to school?

2.What hobby

B.he will be hurt badly.

3.How often

C.does he spend each week?

4.He asked

D.he would visit the museum.

5.How long

E.if I would help him.

6.He said

F.students did he see in the classroom?

7.How far

G.does he visit the old folks’ home?

8.What will happen

H.would he like to try?

9.How many

I.has he been playing the violin?

10.If he does,

J.if he doesn’t come?

查看答案和解析>>


同步练习册答案