Task 2 1-Listening-2.mp3: Mr. White is m...rown is a ________.

Part Ⅱ Listening ComprehensionSection A1 A: 1 B: 2 C: 3 D: 4

医护英语Unit 2 Listening Task 1(副本)

Listening 3 A tour of the offices (2) Match the people with their jobs. Listen to Listenings 2 and 3 again if you are not sure.

设集合A={1, 2, 3}, 不是A上的等价关系。 A: {(1, 1), (2, 2), (3, 3)} B: {(1, 1), (2, 2), (3, 3), (1, 3), (3, 1)} C: {(1, 1), (2, 2), (3, 3), (2, 3)} D: {(1, 1), (2, 2), (2, 3), (3, 2), (2, 1), (1, 2), (3, 3), (1, 3), (3, 1)}

设集合A ={1, 2, 3}, 下列关系R中哪些是等价关系？A、{<1, 1>, <2, 2>, <3, 3>}B、{<1, 1>, <2, 2>, <3, 3>, <3, 2>, <2, 3>}C、{<1, 1>, <2, 2>, <3, 3>, <1, 3>}D、{<1, 1>, <2, 2>, <1, 2>, <2, 1>, <1, 3>, <3, 1>, <3, 3>, <2, 3>, <3, 2>}

下面程序的功能是输出以下9阶方阵。请填空。 1 1 1 1 1 1 1 1 1 1 2 2 2 2 2 2 2 1 1 2 3 3 3 3 3 2 1 1 2 3 4 4 4 3 2 1 1 2 3 4 5 4 3 2 1 1 2 3 4 4 4 3 2 1 1 2 3 3 3 3 3 2 1 1 2 2 2 2 2 2 2 1 1 1 1 1 1 1 1 1 1 # include

According to Listening skills, cause and effect is a common method of organizing ideas. Understnading cause and effect involves understanding (1)_____ things happen (cause) and 2) _______ happens as a ______3) (effect).

‍Where do you write down your notes when you are listening to the English news?​ A: Section 1 B: Section 2 C: Section 3 D: anywhere

已知x = {1:1, 2:2}，那么执行语句x.update({2:3, 3:3})之后，表达式sorted(x.items())的值为____________________。 A: [(1, 1), (2, 3), (3, 3)] B: [(1, 1), (2, 2), (3, 3)] C: [(1, 1), (2,2),(2, 3), (3, 3)] D: (1, 1), (2, 3), (3, 3)