The word "them" underlined inParagraph 4 refers to______.

中国大学MOOC: 1.What successful people are mentioned inParagraph 2?

InParagraph4,theunderlinedword“it”refersto_____. A: actingwellatworkandinpolitics B: feelingdepressedforthenewsmedia C: acceptingandunderstandingwhathashappened D: sayingsomethingnegativewhenbadthingscome

Theword“quote”inparagraph4,line2oftheemailisclosestinmeaningto______. A: saying B: option C: price D: reference

Theword“trade”inparagraph4,line1,isclosestinmeaningto A: exchange B: diligence C: industry D: substitute

1.What successful people are mentioned inParagraph 2?? C)Franklin D. Roosevelt, Winston Churchill, Albert Einstein and Sigmund Freud.|B)Winston Churchill, Alber Einstein and Sigmund Freud.|A)Franklin D. Roosevelt, Winston Churchill and Alber Einstein.|D)Winston Churchill, Alber Einstein, Sigmund Freud and JK Rowling.

在所给的算式中，填上+、-、×、÷和（ ），使得下面算式成立。（1）4 4 4 4＝1（2）4 4 4 4＝1（3）4 4 4 4＝2（4）4 4 4 4＝3[8分]

数列-4, 4, -4, 4, -4…….

表达式4^4\4*4*4/4 Mod 4的值是

【多选题】在下面 4 个 4 中间填上适当的运算符号和小括号使算式成立。 4 4 4 4=2 A. 4÷ 4 +4÷ 4=2 B. 4× 4÷ （ 4+ 4 ） =2 C. 4+ 4 +4 ×4=2 D. 4- （ 4 +4 ） ÷4=2 答