I was once a fat boy. I weighed 80 kg and running was difficult for me. I never worried about it. ____1____ then I found I often got sick. A doctor told me that my weight was kind of harmful to my health and I should control my weight. I began to feel nervous and decided to do something！

After a year and a half, I lost 20 kg. I didn’t have any special food or medicine. The only thing I did was change my bad ____2____. The following is what I have done. If you ____3____ want to control your weight, you can try these.

Stop drinking drinks with too much sugar in them. ____4____ sweet cakes. Eat green vegetables. Never eat after 8:00 p.m. Also, do exercise for 15 to 20 minutes 5 days a week. At last, be patient and keep doing all these things. This is the most difficult but most ____5____ thing.

1.1.

A And

B But

C Or

D So

解析：选B。题型：完形填空・连词辨析 解析：前文说 “我从不担心”，后文 “我经常生病”，前后转折关系，But（但是）。And 并且；Or 或者；So 所以。

2.2.

A habits

B feelings

C plans

D experiences

解析：选A。题型：完形填空・名词辨析 解析：后文讲饮食、运动习惯，所以是改掉坏 habits（习惯）。feelings 感受；plans 计划；experiences 经历。

3.3.

A just

B also

C still

D even

解析：选B。题型：完形填空・副词辨析 解析：句意：如果你也想控制体重，可以试试这些方法。also 也；just 仅仅；still 仍然；even 甚至。

4.4.

A Buy

B Make

C Have

D Refuse

解析：选D。题型：完形填空・动词辨析 解析：减重要拒绝甜食，Refuse 拒绝。Buy 买；Make 制作；Have 吃。

5.5.

A boring

B impossible

C important

D interesting

解析：选C。题型：完形填空・形容词辨析 解析：坚持是最难但是最 important（重要的）事。boring 无聊的；impossible 不可能的；interesting 有趣的。