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【简答题】
读长江流域简图，回答下列问题。 （1）用斜线在图中适当的位置绘出长江支流：汉江、嘉陵江。 （2）长江上、中游的分界点是___________，中下游的分界点是_____________。 （3）长江沿江地带自然条件得天独厚，针对地形上的客观差异，人们采取了不同的利用方式：长江上游发展__________业；中、下游发展__________业和__________业；沿线地区均可以发展旅游业。 （4）长江沿江地带沟通了___________地区和______________区，是西的纽带，形成了________形的经济格局 （5）我国有许多铁路穿过长江，在图中绘出经过武汉、九江、南京、上海的铁路线。众多南北支流和铁路干线使长江沿江地带的经济辐射影响到我国_____________和_______________等广大地区。
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举一反三
【单选题】Years ago, many of the machines were operated ______ but now they are operated by computers.
A.
manually
B.
artificially
C.
automatically
D.
synthetically
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【单选题】In the deserted factory several huge machines were left to rust and decay.
A.
inaugurate
B.
disintegrate
C.
accelerate
D.
disseminate
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【单选题】If there were no automatic washing machines, people would have to wash their clothes ______ hand or ______ hand-operated machines.
A.
by; by
B.
with; with
C.
on; with
D.
by; with
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【判断题】三维非稳态温度场可以用t=f(x,y,τ)。
A.
正确
B.
错误
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【单选题】It was in this factory ______ 'West Lake' sewing machines were made.
A.
where
B.
that
C.
in which
D.
there
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【单选题】All the machines ______ by the end of the following week.
A.
were repaired
B.
will be repaired
C.
have been repaired
D.
will have been repaired
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【单选题】The keys of Sholes' first typing machines were likely to be twisted together.
A.
Y
B.
N
C.
NG
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【单选题】A number of new machines were introduced from abroad，______ an increase in production.
A.
resulted in
B.
to result in
C.
result in
D.
resulting in
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【单选题】The earliest bicycles were called 'running machines' because ______.
A.
people have to run on feet when using the machines
B.
they were faster than running men
C.
the riders could run on the bicycles
D.
the bicycles could run fast automatically
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【单选题】______ of the machines on display were made in China.
A.
Second-fifths
B.
Two-fifth
C.
Two-fifths
D.
Second-fifths
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相关题目：
【单选题】Years ago, many of the machines were operated ______ but now they are operated by computers.
A.
manually
B.
artificially
C.
automatically
D.
synthetically
查看完整题目与答案
【单选题】In the deserted factory several huge machines were left to rust and decay.
A.
inaugurate
B.
disintegrate
C.
accelerate
D.
disseminate
查看完整题目与答案
【单选题】If there were no automatic washing machines, people would have to wash their clothes ______ hand or ______ hand-operated machines.
A.
by; by
B.
with; with
C.
on; with
D.
by; with
查看完整题目与答案
【判断题】三维非稳态温度场可以用t=f(x,y,τ)。
A.
正确
B.
错误
查看完整题目与答案
【单选题】It was in this factory ______ 'West Lake' sewing machines were made.
A.
where
B.
that
C.
in which
D.
there
查看完整题目与答案
【单选题】All the machines ______ by the end of the following week.
A.
were repaired
B.
will be repaired
C.
have been repaired
D.
will have been repaired
查看完整题目与答案
【单选题】The keys of Sholes' first typing machines were likely to be twisted together.
A.
Y
B.
N
C.
NG
查看完整题目与答案
【单选题】A number of new machines were introduced from abroad，______ an increase in production.
A.
resulted in
B.
to result in
C.
result in
D.
resulting in
查看完整题目与答案
【单选题】The earliest bicycles were called 'running machines' because ______.
A.
people have to run on feet when using the machines
B.
they were faster than running men
C.
the riders could run on the bicycles
D.
the bicycles could run fast automatically
查看完整题目与答案
【单选题】______ of the machines on display were made in China.
A.
Second-fifths
B.
Two-fifth
C.
Two-fifths
D.
Second-fifths
查看完整题目与答案