單項(xiàng)選擇題

邏輯表達(dá)式（x＞O && x＜=10) 的相反表達(dá)式為（)。

A. x＜=O ll x＞10
B. x＜=O && x＞10
c. x＜=O ll x＜=10
D. x＞O && x＞10

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單項(xiàng)選擇題

FROM: memberships@healthsports.com

TO: Dean Towers Tenant
SUBJECT: Special membership deal
SENT: June 11, 12:04 P.M.
Dean Towers Healthsports is pleased to announce special discounts for employees of companies in the Dean Towers complex. Apply within the next month and you can get a full 30% discount off your first year's membership at our fully-equipped and expertly-staffed facility.
Dear Sir or Madam,
I am interested in finding out more about your special offer for employees of companies in the Dean Towers complex.
I look forward to hearing from you soon.
Yours truly.

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