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职称英语理工类C级
Black holes are part of space. The sun is the heaviest star in the universe.
职称英语理工类C级
职称英语
admin
2009-1-21
30
0
Black holes are part of space. The attraction of two large stars leads to gravity.
职称英语理工类C级
职称英语
admin
2009-1-21
44
0
Black holes are part of space. The center of a black hole is empty.
职称英语理工类C级
职称英语
admin
2009-1-21
31
0
Black holes are part of space. Black holes exist but are difficult to observe.
职称英语理工类C级
职称英语
admin
2009-1-21
44
0
Black Holes Most scientists agree that black holes exist but are nearly impossible to locate. A black hole in the universe
职称英语理工类C级
职称英语
admin
2009-1-21
53
0
It is virtually impossible to persuade him to apply for the job.
职称英语理工类C级
职称英语
admin
2009-1-21
34
0
This is not typical of English, but is a feature of the Chinese language.
职称英语理工类C级
职称英语
admin
2009-1-21
29
0
The weather is a constant subject of conversation in Britain.
职称英语理工类C级
职称英语
admin
2009-1-21
39
0
Relief workers were shocked by what they saw.
职称英语理工类C级
职称英语
admin
2009-1-21
49
0
I have been trying to quit smoking.
职称英语理工类C级
职称英语
admin
2009-1-21
27
0
Attitudes to mental illness have shifted in recent years.
职称英语理工类C级
职称英语
admin
2009-1-21
58
0
I am very grateful to you for your assistance.
职称英语理工类C级
职称英语
admin
2009-1-21
47
0
There is a growing gap between the rich and the poor.
职称英语理工类C级
职称英语
admin
2009-1-21
36
0
We should not sacrifice environmental protections to foster economic growth.
职称英语理工类C级
职称英语
admin
2009-1-21
52
0
She is a highly successful teacher.
职称英语理工类C级
职称英语
admin
2009-1-21
55
0
That guy is intelligent but a bit dull.
职称英语理工类C级
职称英语
admin
2009-1-21
19
0
She was awarded a prize for the film.
职称英语理工类C级
职称英语
admin
2009-1-21
30
0
At midnight, we were aroused by a knock at the door.
职称英语理工类C级
职称英语
admin
2009-1-21
46
0
Biological Identification Technologies When a person walks, the movement of his head, trunk, and limbs (肢体) are all reflecte
职称英语理工类C级
职称英语
admin
2009-5-21
29
0
Biological Identification Technologies When a person walks, the movement of his head, trunk, and limbs (肢体) are all reflecte
职称英语理工类C级
职称英语
admin
2009-5-21
35
0
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