邀请函按邀请对象可分为确定对象的邀请函和不确定对象的邀请函
邀请函按邀请对象可分为确定对象的邀请函和不确定对象的邀请函正确答案:√...
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邀请函按邀请对象可分为确定对象的邀请函和不确定对象的邀请函正确答案:√...
请柬就是邀请函,邀请函就是请柬。正确答案:错误...
We should keep on _____ English every day.to practice to speak|to practice speaking|practicing to speak|practicing speak...
We went swimming ______________ every day.in the sea|in the air \/ sky \/atmosphere|in the city \/ country|in the mounta...
We should spend every day as Earth Day.正确答案:我们应该把每一天都看成地球日。...
Ellis Island has become one of America's most popular tourist .destinations|destination|goal|goals正确答案:destination...
In the past decade email (become) one of the most popular means of communication.正确答案:has become...
Sending and reading email has quickly become one of the most popular daily activities around the world.快速发送与阅读电子邮件已经在全世界...
Why don't you start out early ________you don't have to hurrynot until|since then|so that|as if正确答案:so that...
You don't want to get to your destination, only to find you have the wrong visa, or worse, that your passport isn't ____...
If you get lost, don’t be shy to ______.ask directions|ask for directions|ask for the way|ask direction.正确答案:ask for dir...
What is being debated in the United StatesWhether women should serve in the military.|Whether women are as mentally powe...
What does the United States warn for the WHO The United States warns ______________for the WHO could be made permanent i...
What did it mean to call the United States a \"melting pot\"Cultural diversity was important.|Immigrants were expected t...
They serve _______ food in this restaurant.castle|glue|delicious|wing正确答案:delicious...
I am a waiter in an Italian restaurant. I often get good _______ (小费) from my customers because of my good service.正确答案:...
A busy shopping center is usually a good location for a restaurant.繁忙的商业中心通常也是为了餐厅的好地方。|为了餐厅繁忙的商业中心通常也是好地方。|繁忙的商业中心通常也是开...
This dress ________ you well. You look pretty.adapt|adapts|fit|fits正确答案:fits...
You look good in that dress.That’s fine.|Thanks|You are welcome|I know正确答案:Thanks...
Believe it or not!You look great ___ the red coat!at|on|in|as正确答案:in...
Where is the fitting room I’d like to ___________.正确答案:try it on...
Where is the fitting room I’d like to ___________.try on it|try it on|put on it|put it on正确答案:try it on...
[音频]I would like to book a double room.正确答案:I would like to book a double room....
Do you know where_______ nowhe lives|does he live|he lived|did he live正确答案:he lives...
Do you know where the station ____(be)正确答案:is...
Do you know where the正确答案:...
Panspermia ______________ that primitive life might once have been carried between the planets of the solar system.doubt...
There are eight ________ in the solar system. They are: Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, and Neptun...
As a school boy I already knew the sun (be) the center of the solar system.正确答案:is...
I decided to ___________ as a waiter in a resaurant during my summer vacation.serve|turn|take|make正确答案:serve...
Is this the school ______ you worked during the summer vacationthat|which|in which|when正确答案:in which...
Is this the school ______ you worked during the summer vacation正确答案:in which...
Look!They (play)________ the basketball on the playground.正确答案:are playing...
Tom was strong in swimming. He is good at basketball, too.Tom is strong in swimming, good at...
3、Tom wanted to play football with his friends in the street, but his father told him_. 正确答案:not to...
She to work when the telephone rang.正确答案:was about to go...
_____gotintotheroom_____thetelephonerang.Hehardlyhad;then|Hardlyhadhe;when|Hehadnot;then|Nothadhe;when正确答案:Hardlyhadhe;w...
He ________ into the office building when the fire bell rang.goes|has gone|was going|is going正确答案:was going...
时序逻辑电路包括组合逻辑电路和存储电路正确答案:对...
中国大学MOOC: 分析下图所示逻辑电路。假定电路初始状态为“000”,下列描述正确的有( )。【图片】正确答案:这是一个Moore型的同步时序逻辑电路。\n电路存在无效状态,具有自启动功能。...
下图所示为某组合逻辑电路的输入A、B和输出Y的波形,该逻辑电路的逻辑式应为()。ebe3a10c056aef4f8e7977d79e0fc99f.png正确答案:C...
三相对称负载接在三相电源上,若各相负载的额定电压等于电源线电压,负载应作 连接。星形|三角形|开口三角形|双星形正确答案:三角形...
对称三相负载星形连接,电源线电压为380V,负载为纯电阻R=10Ω,每相负载的相电流为 A,线电流 A。正确答案:22|22...
不对称三相负载,每相绕组额定电压220V,对称三相电源线电压380V,三相绕组应采用( )。星形联结带中线|三角形联结|星形联结不带中线|不确定正确答案:星形联结带中线...
三相异步电动机铭牌上的额定功率是指三相异步电动机额定运行时,______。A.输入的三相电功率定、转子铁损|电磁功率|轴上输出的机械功率正确答案:轴上输出的机械功率...
异步电动机按( )可分为单相异步电动机和三相异步电动机。 A.结构 B.定子绕组的组数 C.容量 D.转子的组数 正确答案:正确答案:B...
三相异步电动机,YB为异步电动机。正确答案:第一空:防爆型...