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【简答题】
叠加定理使用时,不作用的电压源置零,在电压源处用 代替;不作用的电流源置零,在电流源处用 代替。电路的结构保持不变,所有电阻都不予更动,包括实际电源的内阻。 A. 短路; B. 开路;
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举一反三
【单选题】.文化资源的价值成因主要包括原真性,存在性和( )
A.
非使用性
B.
经济属性
C.
多样性
D.
递增性
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【判断题】载有电流I的无限长直导线，在离直导线距离为r的P点处产生的磁感应强度大小为【图片】
A.
正确
B.
错误
查看完整题目与答案
【多选题】配对阅读。左栏是对5个人的生活需求的描述,右栏是7份相关广告,请为每一位选择最适合的广告推荐,并将答案的字母编号填写在相应的位置。 ( )41.Leon is a businessman.He is going to Shanghai for business.He hopes to live in a hotel which is not far from the airport. ( ...
A.
Green Garden Come and ride a bicycle under the sun and enjoy a country lunch with farm-fresh fruits and vegetables.Call at 320-4923.
B.
Shared flat for rent You can rent one of the room in a shared flat.The flat has two bedrooms, a living room, a kitchen and a bathroom.It’s 5 minutes’ walk from the flat to the subway station.
C.
Summer Holiday Hotel The environment in our hotel is very quiet and clean.And we have friendly service.The hotel is not far from the airport.It’s only a ten minutes’ bus ride.
D.
Room to rent Here are small rooms to rent in the city center.It’s near the railway station, and it’s very quiet.For more information, call at 336-3210.
E.
House for sale A comfortable house for family in the center of the city.It has a big garden, four bedrooms, a big living room,two bathrooms and a kitchen.If you like the house, please call at 431-5946.
F.
House for rent We have a big house with a garden in the countryside.It has six bedrooms, and the living room is very big.And the price is not high at all.Interested? Call at 352-4198.
G.
Sea View Holiday Flats There are flats with lovely gardens.It’s ten minutes’ walk from the beach.You can enjoy your own cooking in the kitchen.You can rent one at the price of $280 per month.If you want to book one, call at 583-6739.
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【多选题】根据引起食物中毒的微生物类群不同,微生物性食物中毒主要分为()和()。
A.
细菌性食物中毒
B.
感染型食物中毒
C.
真菌性食物中毒
D.
毒素型食物中毒
查看完整题目与答案
【判断题】根据引起食物中毒的微生物类群分：细菌性食物中毒和真菌性食物中毒两大类。
A.
正确
B.
错误
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【简答题】如图(a)所示，无限长直导线中载有电流I1，在它旁边与其共面的半径为R的圆形线圈中载有电流I2。圆心到导线的距离为L，两电流的方向如图(a)所示。试求圆线圈对无限长直导线的磁场力。
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【单选题】He is going to live by the coast ____________( 为了 ) his health.
A.
in order to
B.
because of
C.
due to
D.
for the sake of
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【简答题】He is going to live by the ______ for the sake of his health.(coastal)
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【多选题】根据引起食品中毒的微生物类群不用,可把食物中毒分为两种分别是:
A.
细菌性食物中毒
B.
霉菌性食物中毒
C.
酵母性食物中毒
D.
病毒食物中毒
E.
放线菌食物中毒
查看完整题目与答案
【判断题】Dave knows where he is going to live five years from now.
A.
正确
B.
错误
查看完整题目与答案
相关题目：
【单选题】.文化资源的价值成因主要包括原真性,存在性和( )
A.
非使用性
B.
经济属性
C.
多样性
D.
递增性
查看完整题目与答案
【判断题】载有电流I的无限长直导线，在离直导线距离为r的P点处产生的磁感应强度大小为【图片】
A.
正确
B.
错误
查看完整题目与答案
【多选题】配对阅读。左栏是对5个人的生活需求的描述,右栏是7份相关广告,请为每一位选择最适合的广告推荐,并将答案的字母编号填写在相应的位置。 ( )41.Leon is a businessman.He is going to Shanghai for business.He hopes to live in a hotel which is not far from the airport. ( ...
A.
Green Garden Come and ride a bicycle under the sun and enjoy a country lunch with farm-fresh fruits and vegetables.Call at 320-4923.
B.
Shared flat for rent You can rent one of the room in a shared flat.The flat has two bedrooms, a living room, a kitchen and a bathroom.It’s 5 minutes’ walk from the flat to the subway station.
C.
Summer Holiday Hotel The environment in our hotel is very quiet and clean.And we have friendly service.The hotel is not far from the airport.It’s only a ten minutes’ bus ride.
D.
Room to rent Here are small rooms to rent in the city center.It’s near the railway station, and it’s very quiet.For more information, call at 336-3210.
E.
House for sale A comfortable house for family in the center of the city.It has a big garden, four bedrooms, a big living room,two bathrooms and a kitchen.If you like the house, please call at 431-5946.
F.
House for rent We have a big house with a garden in the countryside.It has six bedrooms, and the living room is very big.And the price is not high at all.Interested? Call at 352-4198.
G.
Sea View Holiday Flats There are flats with lovely gardens.It’s ten minutes’ walk from the beach.You can enjoy your own cooking in the kitchen.You can rent one at the price of $280 per month.If you want to book one, call at 583-6739.
查看完整题目与答案
【多选题】根据引起食物中毒的微生物类群不同,微生物性食物中毒主要分为()和()。
A.
细菌性食物中毒
B.
感染型食物中毒
C.
真菌性食物中毒
D.
毒素型食物中毒
查看完整题目与答案
【判断题】根据引起食物中毒的微生物类群分：细菌性食物中毒和真菌性食物中毒两大类。
A.
正确
B.
错误
查看完整题目与答案
【简答题】如图(a)所示，无限长直导线中载有电流I1，在它旁边与其共面的半径为R的圆形线圈中载有电流I2。圆心到导线的距离为L，两电流的方向如图(a)所示。试求圆线圈对无限长直导线的磁场力。
查看完整题目与答案
【单选题】He is going to live by the coast ____________( 为了 ) his health.
A.
in order to
B.
because of
C.
due to
D.
for the sake of
查看完整题目与答案
【简答题】He is going to live by the ______ for the sake of his health.(coastal)
查看完整题目与答案
【多选题】根据引起食品中毒的微生物类群不用,可把食物中毒分为两种分别是:
A.
细菌性食物中毒
B.
霉菌性食物中毒
C.
酵母性食物中毒
D.
病毒食物中毒
E.
放线菌食物中毒
查看完整题目与答案
【判断题】Dave knows where he is going to live five years from now.
A.
正确
B.
错误
查看完整题目与答案