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【单选题】
What suggestion is made about the former purpose of the various ruins he could see?A.
They had formed part of the capital of a new Mayan kingdom.
B.
They were what remained of a temple to sky gods.
C.
They were what was left of the starting point from which the Mayans had moved to new territory.
D.
They were what remained of the farthest city reached in a large-scale Mayan migration.
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【单选题】人体在规定的位置上进行作业时(如操纵机器、维修设备等),必须触及的空间,即作业范围,或称为( )。
A.
作业活动空间
B.
安全防护空间
C.
作业休息空间
D.
作业接触空间
【单选题】-I am very worried about tomorrow's maths test.I am afraid I can't pass this time. -_______!I'm sure you'll make it. [ ]
A.
No problem
B.
That's right
C.
Cheer up
D.
Don't mention it
【单选题】—I am very worried about tomorrow’s math test. I am afraid I can’t pass this time. — ________ ! I’m sure you’ll make it. [ ]
A.
No problem
B.
Cheer up
C.
That’s right
D.
Don’t mention it
【简答题】Yes, but I'm very worried about my ( )
【单选题】I'm worried because _________.
A.
I'm going on holiday tomorrow
B.
I can't find my keys
C.
I worked very hard today
D.
I want to go to the party but I can't
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