题目内容

Complete the following sentences with the words given below and the appropriate prefix and suffix.activityadventurousconnecteddirectexcitefamiliarpointrationalremove understandPeople who are (1)________ with golf find it very hard to understand why it is so popular.We were worried about our son's (2)_ at weekends and sent him to summer camp in the hope that he would get interested in outdoor activities.We wanted to entertain our guest but knew it would be (3)_ to take him to an art gallery or the theatre as he was blind.My sister dislike going on holiday because she has a(n) (4) fear of new places."You were very (5) _ to refuse to come climbing with me, " my boyfriend complained.I decided to take up a hobby that was completely (6) with my work.After working hard all day it was (7) that all he wanted to do was to collapse in front of the TV for the rest of the evening.Reading as a hobby has many (8) benefits, for example, the fact that you often make new friends through book groups.Nothing can beat the (9) of a FIFA WOrld Cup final.We were all disappointed by the (10) ____ of former captain from the Olympic team.

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During the 1 Era, relaxing and doing nothing was a 2. To resist temptation, the British invented some of the ball sports and watching them became a leisure 3.Later on in the 1990s, a leisure inactivity came into being, involving lying on the couch watching television. Such a new leisure creature is known as 4__ . Equipped with a channel hopper, with the freedom to change channel without moving from the couch, a couch potato is 5_ of the name. Despite the risk of getting a 6___, a couch potato views it as a mark of their dedication to their leisure inactivity.With time moving on to the 21st century, there comes 7, a version of the couch potato specially for the online activities on the computer. For 8_, they usually perform extensive Internet searches or participate in online chat rooms, leaving ill-informed and badly spelt opinions around the 9 world, and generally 10______ one’s intelligence.So be a couch potato, and earn muffin top! Be a mouse potato, and earn mouse miles. Have a go now!

相距较远两根轴之间的传动可用（）实现。

A. 单对齿轮
B. 轮系

为满足结构紧凑和实现较大的传动比，可以选用()。

A. 单对齿轮
B. 定轴轮系
C. 行星轮系

首末两轮轴线平行的轮系的传动比的符号可以用（-1）的m次方来表示。

A. 对
B. 错