1 . We need a big win to b_______ our confidence.(根据首字母单词拼写)

2 . Perhaps the next generation of scientists will indeed discover more medicines b________ to health care. (根据首字母单词拼写)

3 . The Amazon rainforest b________ life into the planet by fixing carbon and producing over 20 percent of all the Earth’s oxygen. （根据首字母单词拼写）

4 . Parents should keep medicine ________ (超出) children’s reach. （根据汉语提示单词拼写）

5 . He was so proud as to take his friends’ advice ________ (配不上) his notice, which caused a big damage to his company. （根据汉语提示单词拼写）

6 . As an old saying goes, once b________, twice shy. He doesn’t want to skate again. (根据首字母单词拼写)

7 . One or two glasses of wine a day can be ________________ (有益的). (根据汉语提示单词拼写)

8 . Regular exercise and a balanced diet are b________to health. (根据首字母单词拼写)

9 . Cycling is highly________ (有益的) to health and the environment, so we should stick to it. (根据汉语提示单词拼写)

10 . He was b________ for not turning up in the promised date. （根据首字母单词拼写）