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【单选题】
Choose the most appropriate answer by completing the sentences below or answering the questions.1. The book offers a(n) _______ glimpse of the lives of the very rich and famous.
A.
fascinating
B.
resistible
C.
dominating
D.
irritable
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参考答案：
参考解析：
刷刷题刷刷变学霸
举一反三
【单选题】In a red-black tree of size n, the black height wouldn't exceed __规模为n的红黑树，黑高度不超过：
A.
O(1)
B.
O(lgn)
C.
O(n)
D.
O(nlgn)
【单选题】若$A,B$为$R$中的两个不同非空有界集，且$A \cap B$ 非空，记${M_1} = \inf \,(A \cap B),{M_2} = \max \{ \inf A,\inf B\},{N_1} = \sup \,(A \cap B), {N_2} = \min \{ \sup A,\sup B\} $,则 ( ).
A.
$M_1 \geq M_2, N_1 \leq N_2 $
B.
$M_1 > M_2, N_1 < N_2 $
C.
$M_1 < M_2, N_1 > N_2 $
D.
$M_1 = M_2, N_1 = N_2 $