Thesub-multipleprefix“micro”means（）. A: thousandth(10tothe-3rdpower) B: millionth(10tothe-6thpower) C: billionth(10tothe-9thpower) D: trillionth(10tothe-12thpower)

UKlawis"shareholderfriendly"inthatshareholders,tothe(5)ofemployees,

In the traditional Chinese calendric system, years are designated by _______ Heavenly Stems and _________ Earthly Branches. A: 12; 10 B: 10; 12 C: 10; 10 D: 12; 12

In Chinese Culture, people use ____earthly stems and ____heavenly stems to name different years. A: 12/10 B: 10/12 C: 12/12 D: 10/10

天干和地支的个数分别是() A: 10和10 B: 10和12 C: 12和10 D: 12和12

Wheredid thespirits（动画里的妖怪，比如白骨精）takeWukong? A: tothe Judge ofthe Dead（阎王） B: tothe JadeEmperor（玉帝） C: the DragonKing（龙王）

求函数在指定点的导数 A: 12、10 B: 14、10 C: 12、12 D: 10、10

成年男性红细胞增多是指红细胞数超过 A: 5.0×10 12/L B: 5.5×10 12/L C: 6.0×10 12/L D: 6.5×10 12/L E: 7.0×10 12/L

set_a = {1, 5, 10}, set_b = {1, 10, 12}, 则set_a.union(set_b)的结果是 A: {1, 10} B: {1, 5, 10, 12} C: {5, 10} D: {1, 10, 12}

健康成人男性红细胞的正常值为( ) A: (4.0～5.5)×10 12/L B: (4.5～6.5)×10 12/L C: (3.5～5.0)×10 12/L D: (3.5～5.5)×10 12/L E: (3.0～5.0)×10 12/L