推 my23423:第二題因為條件二有很多種組合如(1,2400) 那就無法cover了 03/05 07:57
Q2:
A researcher plans to identify each participant in a certain medical
experiment with a code consisting of either a single letter or a pair of
distinct letters written in alphabetic order. What is the least number of
letters that can be used if there are 12 participants, and each participant
is to receive a different code?
A. 4
B. 5
C. 6
D. 7
E. 8 ANS.B
想不出來.....
Q5:
Can a certain rectangular sheet of glass be positioned on a rectangular
tabletop so that it covers the entire tabletop and its edges are parallel to
the edges of the tabletop?
(1) The tabletop is 36 inches wide by 60 inches long.
(2) The area of one side of the sheet of glass is 2,400 square inches.
ANS.E 我的答案是C ???不懂為什麼是E
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