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【单选题】
用于获得字符串s从第3个字符开始的3个字符的函数是A.
Mid＄(s，2，3)
B.
Middle＄(s，2，3)
C.
Right＄(s，2，3)
D.
Left＄(s，1，3)
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【简答题】Para 2 ______.
【简答题】Model: Para1:Some tips can help English learners learn English better and faster. Now you try: Para 2:__________________________________________________________________ Para 3:________________________...
【简答题】Para 2 ______.
【单选题】'An identifying figure' (Para. 5) refers to a person ______.
A.
who serves as a model for others
B.
who is always successful
C.
who can be depended upon
D.
who has been rewarded for his success
【简答题】Model: Para1: the custom of Halloween, was brought , America Now you try: Para. 2 Line 1: ______________________________________________ Para. 2 Line 4: _____________________________________________...
【简答题】Para 2 ______.
【单选题】某厂生产的甲产品顺序经过第一、第二、两道工序加工，原材料在第一工序生产开始时投入90%，第二道工序生产开始时投入10%，则第二工序月末在产品的投料率为（ ）
A.
10%
B.
90%
C.
5%
D.
100%
【简答题】Model: Para 2: Playing sports is fun. Now you try: Para 3:_____________________________________________________________ Para 6:_____________________________________________________________ Para 9:____...
【单选题】某厂生产的甲产品顺序经过第一、第二两道工序加工,原材料在第一工序生产开始时投入90%,第二工序生产开始时投入10%,则第二工序月末在产品的投料率为().
A.
0.1
B.
0.9
C.
0.05
D.
1
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