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The New Year is one of the happiest holidays in Russia. Christmas was a very important Russian holiday before. However, in the past one hundred years, the New Year has taken its place. The New Year is also celebrated with a Christmas tree that has begun to be called a New Year tree. Russian people regard the coming year as the beginning of new life, a chance to make dreams come true. There is a tradition to make a wish while drinking champagne ( 香槟酒 ) . Actually, champagne is the traditional drink of the first half hour of the New Year. And then beer or vodka ( 伏特加酒 ) takes its place. People make a lot of preparations before New Year's Day. They clean their houses and cook a lot of food. Russian New Year is different from American Christmas. It is usually celebrated with friends while in America Christmas is usually celebrated with family. The New Year party is usually a very happy party with a lot of toasts ( 干杯 , 敬酒 ), changing clothes, exchanging presents and congratulating each other. Russians can have a lot of fun on New Year's Day. December 31st is working day, but January 1st and 2nd are holidays, so it is a tradition for p eople to stay awake all night on New Year's Eve. And even children try not to go to sleep for as long as they can. People go out into the streets at night, light New Year trees and put them all around the town. (254 words)
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【单选题】数字调制在二进制时分为ASK、FSK、PSK。其中FSK指的是哪种数字调制。 ( )。
A.
振幅键控
B.
频移键控
C.
相移键控
【单选题】制作泡制菜肴时不可将()带入泡菜卤中,否则易使卤汁变质。
A.
B.
C.
开水
D.
生水
【单选题】数字调制在二进制时分为 ASK 、 FSK 、 PSK 。其中 ASK 指的是哪种数字调制( )。
A.
振幅键控
B.
频移键控
C.
相移键控
【简答题】世界上第一辆三轮汽车和第一辆四轮汽车的发明人分别是谁?分别采用几冲程发动机?采用何种燃料?
【单选题】患者,女,25岁,因不明原因发热二月余入院,贫血貌,杵状指,皮肤粘膜有多处小出血点,入院时,心脏三尖瓣听诊有III级吹风样杂音,近日消失,脾轻度肿大,有压痛,血液细菌培养为草绿色链球菌,拟用青霉素G和下列其中一药合用,应选
A.
阿米卡星
B.
链霉素
C.
红霉素
D.
奈替米星
E.
羧苄西林
【单选题】制作泡制菜肴时,要沥干水分,不可将生水带入泡菜卤中,否则易使(),甚至变质。
A.
菜变质
B.
卤汁变浑
C.
卤汁发粘
D.
卤汁发酵
【多选题】数字调制在二进制时分为:振幅键控(ASK)、频移键控(FSK)、相移键控(PSK)。其中,()属于非线性调制。
A.
ASK
B.
FSK
C.
PSK
【单选题】数字调制在二进制时分为:振幅键控(ASK)、频移键控(FSK)、相移键控(PSK)。其中,( )属于线性调制。
A.
ASK
B.
FSK
C.
PSK
【单选题】谁发明第一辆三轮汽车?
A.
查尔斯 固特异
B.
约翰 邓禄普
C.
卡尔 本茨
D.
德雷克
【简答题】图中尺寸5属于 尺寸,R23属于 。
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