摘要: C.由上下文可知是一家商店.

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完形填空

阅读下面短文,掌握其大意,然后从各题所给的A、B、C和D四个选项中选出最佳选项。

  Canada is the second largest country in the world.It is over 7 000 kilometers from the   1   coast(海岸)to the east.It   2   six time zones.  3   it is 9 a.m.in Vancouver on the west coast, it is 1.30 p.m.in St John's on the east coast.

  English and French   4   the two main languages in Canada.About 60 percent of   5   people speak English, and about 25 percent speak French.More   6   70 percent of its population live in cities near the US border(边境).

  Ottawa is the capital.Every year millions of tourists go there to   7   museums and take part in the cultural(文化的)activities.Toronto is the largest city of the country   8   about 2.5 million people.Montreal is   9   second biggest French-speaking city in the world.

  The maple leaf is the national symbol of Canada.The Canadian flag has a red maple leaf on a red   10   white background.

由本文可知:加拿大是世界上第二大国,海岸线长7000多千米,有6个时区,主要讲英语和法语,渥太华是首都,多伦多是最大的城市,枫叶是加拿大的标志。考点涉及到名词、动词、副词、介词、冠词、连词等用法及对文章的整体理解能力。

(1)

[  ]

A.

west

B.

east

C.

south

D.

north

(2)

[  ]

A.

is

B.

had

C.

has

D.

have

(3)

[  ]

A.

Which

B.

What

C.

Where

D.

When

(4)

[  ]

A.

are

B.

is

C.

will be

D.

has been

(5)

[  ]

A.

their

B.

his

C.

its

D.

our

(6)

[  ]

A.

up

B.

over

C.

about

D.

than

(7)

[  ]

A.

see

B.

visit

C.

look

D.

find

(8)

[  ]

A.

with

B.

for

C.

from

D.

at

(9)

[  ]

A.

a

B.

an

C.

the

D.

/

(10)

[  ]

A.

or

B.

and

C.

but

D.

however

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为探究植物细胞膜的透性,某同学以红甜菜根(液泡中含有花青素)进行下列实验:
A.将不同切片放在不同温度的蒸馏水中处理1分钟后取出。
B.再分别放在清水中浸泡1小时而获得不同的切片浸出液。
C.测量这些溶液的花青素吸光度,得结果如下图。

请回答以下问题:
(1)上述实验操作步骤的叙述存在着一个明显的不足,没有遵循实验设计的    原则。请你对上述实验中的不准确的操作重新进行叙述:            
(2)由上图中的曲线你可以得出的结论是                    
(3)已知物质A能促进细胞膜上载体的活性。有人认为:经过不同温度的处理是影响了细胞膜上运载花青素的载体的活性。请你借助上述材料设计实验证明该观点是否正确。
材料用具:略。
实验步骤:
                                                                   
                                                                  
                                                                   
(2)预测结果及结论:
                                                                   
                                                                   
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语法选择

阅读下面短文,按照句子结构的语法性和上下文连贯的要求,从各题所给的A、B、C和D项中选出最佳选项。

  It's very important that we all recycle(再利用).In nature, everything   1   again.For example, when an animal dies, it becomes   2   animal's food.Nothing is wasted.But humans have created things like plastic bags   3   can't be broken down by nature.Our rubbish kills animals and   4   water and soil.  5   we continue making too much rubbish, the problem will only get worse.If nature can't reuse the rubbish, we must recycle   6  

  We should clean up the rubbish we've made because nature can't.

  Recycling is also the right thing to do for another reason.The earth is rich in natural materials like water and trees,   7   these materials are not endless.We use up our natural materials much   8   than the earth is able to reproduce them.For example, each year we cut   9   more that 6,000 square miles of forest.But it takes an average of 25 years for a new tree   10  

  Recycling can help us save the earth, so let's take action right now.

(1)

[  ]

A.

use

B.

using

C.

is used

D.

used

(2)

[  ]

A.

another

B.

other

C.

others

D.

the other

(3)

[  ]

A.

who

B.

which

C.

how

D.

where

(4)

[  ]

A.

pollutes

B.

polluted

C.

polluting

D.

is polluted

(5)

[  ]

A.

When

B.

Whether

C.

Why

D.

If

(6)

[  ]

A.

them

B.

their

C.

it

D.

itself

(7)

[  ]

A.

but

B.

so

C.

and

D.

or

(8)

[  ]

A.

fastly

B.

fast

C.

taster

D.

fastest

(9)

[  ]

A.

out

B.

down

C.

in

D.

up

(10)

[  ]

A.

grows

B.

for growing

C.

growing

D.

to grow

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