单项选择题

What iS the sum of the first 2，003 terms of the sequence 0，2，7，1，0，2，7，l，0，2，7，1，…if the pattern 0，2，7，1 is repeated throughout the sequence（）

A. 503
B. 2，010
C. 2，013
D. 5，009
E. 20，030

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单项选择题
City Y has installed 30 parking meters at15-foot intervals along a straight street．What iS the number of feet between the first meter and the last meter（）

A. 200
B. 420
C. 435
D. 450
E. 465
单项选择题
In a graduating class of 236 students。142took algebra and 121 took chemistry．What is the greatest number of students that could have taken both algebra and chemistry（）

A. 21
B. 27
C. 37
D. 121
E. 142
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