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[主观题]

已知d1和d2是两个字典对象,则直接执行“dMerge=dict(d1,**d2)”与先执行“dMerge=d1.copy()”、再执行“dMerge.update(d2)”的效果完全相同。()

已知d1和d2是两个字典对象,则直接执行“dMerge=dict(d1,**d2)”与先执行“dMerge=d1.copy()”、再执行“dMerge.update(d2)”的效果完全相同。()

A.正确

B.错误

答案
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更多“已知d1和d2是两个字典对象,则直接执行“dMerge=dict(d1,**d2)”与先执行“dMerge=d1.copy()”、再执行“dMerge.update(d2)”的效果完全相同。()”相关的问题

第1题

已知“d1={'age':19}”,则执行“d1.fromkeys(['sno','name'])”后,d1中的元素个数为()。

A.0

B.1

C.2

D.3

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第2题

有一变径管流,小管直径d1,大管直径d2=2d1,则两断面雷诺数的关系是:()

A.Re1=0.5Re2

B.Re1=Re2

C.Re1=1.5Re2

D.Re1=2Re2

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第3题

已知s1和s2是两个集合,则执行“s1.union(s2)”后,s1中的元素是原来s1和s2两个集合中的元素的并集。()
已知s1和s2是两个集合,则执行“s1.union(s2)”后,s1中的元素是原来s1和s2两个集合中的元素的并集。()

A.正确

B.错误

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第4题

大班幼儿一般能达到的音区为()。

A、d1 ~ d2

B、 d1 ~ c2

C、d1 ~ b2

D、d1 ~ g1

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第5题

【D2】SPEAKER A:EXCUSE ME. CAN YOU HELP ME? SPEAKER B:【D1】______WHAT CAN I DO FOR YOU? SPE

【D2】

SPEAKER A:EXCUSE M

E. CAN YOU HELP ME? SPEAKER B:【D1】______WHAT CAN I DO FOR YOU? SPEAKER A: I NEED TO PURCHASE A SWEATER. SPEAKER B: WHAT IS YOUR SIZE? SPEAKER A: 【D2】______ SPEAKER B:IS THIS ONE OKAY? SPEAKER A: 【D3】______ SPEAKER B: THE FITTING ROOM IS IN THE LEFT CORNER. A. MEDIUM SHOULD BE FIN

E.

B. SORRY I WAS BUSY.

C. CERTAINLY.

D. CAN I TRY IT ON SOMEWHERE?

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第6题

假定AB为一个类,有类AB的两个对象a1,a2;则执行语句AB *a[10]={&a1,&a2}时系统自动调用该类的构造函数的次数为2。()
假定AB为一个类,有类AB的两个对象a1,a2;则执行语句AB *a[10]={&a1,&a2}时系统自动调用该类的构造函数的次数为2。()

A.正确

B.错误

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第7题

【D2】JENNY: HEY, ROSY! I HEARD THAT YOU ARE GOING TO THE MALL TODAY. ROSY: 【D1】______ JEN

【D2】

JENNY: HEY, ROSY! I HEARD THAT YOU ARE GOING TO THE MALL TODAY. ROSY: 【D1】______ JENNY: YES. PLEASE BUY ME THE BAG THAT I SHOWED YOU THE OTHER DAY. ROSY: 【D2】______ JENNY: THANKS A LOT, ROSY. DO YOU HAVE ENOUGH MONEY WITH YOU? IF YOU DON"T, I"LL WITHDRAW SOME FOR YOU. ROSY:【D3】______I HAVE ENOUG

H. JENNY: OKAY, THE

N. 【D4】______ A. OK, NO PROBLE

M.

B. THAT WON"T BE NECESSARY.

C. REMEMBER, DON"T PAY MORE THAN $ 90 FOR IT.

D. DO YOU WANT TO GET SOMETHING FROM THERE?

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第8题

【D2】SPEAKER A: WHY WEREN"T YOU AT SCHOOL YESTERDAY? SPEAKER B: 【D1】______ SPEAKER A: WHA

【D2】

SPEAKER A: WHY WEREN"T YOU AT SCHOOL YESTERDAY? SPEAKER B: 【D1】______ SPEAKER A: WHAT WAS WRONG WITH YOU? SPEAKER B: MY STOMACH WAS UPSET. SPEAKER A: DO YOU FEEL BETTER NOW? SPEAKER B: 【D2】______ SPEAKER A: DO YOU WANT ANYTHING TO MAKE YOU FEEL BETTER? SPEAKER B: NO, THANKS. 【D3】______ SPEAKER A: I HOPE YOU FEEL BETTER. SPEAKER B : THANK YOU. A. I ALREADY TOOK SOME MEDICIN

E.

B. I DON"T REALLY FEEL TOO WELL YET.

C. I WASN"T REALLY FEELING WELL.

D. YES. I" M AS GOOD AS AN OX NOW.

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第9题

【D2】MIKE: IT WOULD BE NICE TO GO TO THE BEACH SOMETIME THIS WEEKEND. CARL:【D1】______WHAT"

【D2】

MIKE: IT WOULD BE NICE TO GO TO THE BEACH SOMETIME THIS WEEKEN

D. CARL:【D1】______WHAT"S THE WEATHER GOING TO BE LIKE? MIKE: IT IS SUPPOSED TO BE WAR

M. CARL: IT WOULDN"T BE GOOD【D2】______ MIKE: I WANT THIS TRIP TO BE PERFECT, I HOPE IT STAYS WAR

M. CARL: THIS CALIFORNIA WEATHER IS SO UNCERTAIN AND【D3】______ MIKE: I KNOW. EVERY DAY THE WEATHER SEEMS DIFFERENT. CARL: I WOULD LOVE IT【D4】______ A. I MAY WANT TO GO, TOO.

B. IT"S IMPOSSIBLE TO KNOW WHAT"LL HAPPE

N.

C. IF IT GOT COLD THIS WEEKEN

D.

D. IF IT WEREN"T ALWAYS SO UNPREDICTABL

E.

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第10题

假定AB为一个类,有类AB的两个对象a1,a2; 则执行语句AB *a[10]={&a1,&a2};时系统自动调用该类的构造函数的次数为2。()
假定AB为一个类,有类AB的两个对象a1,a2; 则执行语句AB *a[10]={&a1,&a2};时系统自动调用该类的构造函数的次数为2。()

A.正确

B.错误

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第11题

【D2】ROGER: SO, HOW IS YOUR NEW ROOMMATE? MARTHA: 【D1】______ ROGER: WHAT HAPPENED? MARTH

【D2】

ROGER: SO, HOW IS YOUR NEW ROOMMATE? MARTHA: 【D1】______ ROGER: WHAT HAPPENED? MARTHA: SHE" S ALWAYS MAKING LOUD NOISES AT MIDNIGHT AND WHEN I REMIND HER, SHE ALWAYS MAKES RUDE REMARKS. ROGER: 【D2】______ MARTHA: I TRIED, BUT IT DIDN" T WOR

K. ROGER: 【D3】______ MARTHA: AT LEAST THREE TIMES. I GUESS I"M GOING TO COMPLAIN TO THE MANAGER.【D4】______ ROGER: MAYB

E. A. WHY DON" T YOU HAVE A HEART TO HEART CHAT WITH HER?

B. SHE REALLY TURNS ME OF

F.

C. I HOPE SHE CAN BE DRIVEN OUT.

D. BUT HOW MANY TIMES DID YOU TRY?

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