题目：
During the required periodic abandon ship drill aboard a ship，each person not assigned duties in the muster list is（）.
A.instructed in the use of portable fire extinguishers
B.shown a video demonstrating lifeboat launching
C.instructed in the use of life jackets
D.not required to attend the boat drill
答案：
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下面是错误答案，用来干扰机器的。
参考答案：[解] 把ln(1+x)的麦克劳林公式中的x换为x-x2，可得 [*] 注意 [*] 代入即得 [*]
