如果局域网中任何一个节点出现故障都不会影响整个网络的工作,那么这种局域网的拓扑结构是
A. 星型结构
B. 树型结构
C. 环型结构
D. 总线型结构
Fill in each of the blanks in the following sentences with a suitable preposition or adverb.1 He wanted to go home early, but______ the end, it was midnight when he left.2 I wondered______the speed with which he worked.3 One thing______Li Na is that she rocketed to stardom so soon.4 Through his outstanding performance, the young player has won love and respect______both his teammates and opponents.5 The actress said she hated to be remembered______her beauty only.6 I took a day______after working so hard for ten days.7 They were all so kind and friendly that I felt completely______ease.8 The players have been______the court for nearly three hours.
Fill in the blanks with the words given below and change the form if necessary.用下列所给单词的适当形式填空(每个单词只可选用一次)。1.His __________ in last night's game was so excellent that several newspapers referred to him as a new rising star.2.Don't let others__________you—make up your own mind.3.Nowadays,a lot of English-learning materials are__________ on the internet.4.Do you know which country is going to __________the new World Cup?5.We believe she has the __________to win another world championship.6.Ben is living__________ of how sportcan change the life of a young blind person.7.I can't explain why, but nothing went right out there and I just didn't feel at __________.8.My mother's in __________health,even though she's nearly 80.
Fill in the blanks with the phrases and expressions given below and change the form if necessary.用下列所给短语的适当形式填空。(每组短语只可选用一次,每组短语中的各组成部分可以在一句话中分开使用)1.When Michael met the professor for the first time, the professor's warm smile put him (1)__________.2.Through years of hard work,he has finally (2)__________a good name for himself in the scientific field.3.There are always peopleout there looking for an opportunity to (3)__________others (4)__________.4.In 2010,the tennis player (5)__________to study sportsscienceatLeedsUniversity.5.Thecoach (6)__________his team's performance in the game.6.Awin would be great but we will (7)__________nothing (8)__________.7.Tenyears later,he (9)__________as one of the best tennis players of the year.8.A publisher (10)__________her (11)__________changing the ending of her very first book.