Ⅰ.单词拼写
1．We should try to keep away from radioactive (放射性的) material in our daily life.
2．For a very long time, the scientists have always been trying to find out the significance (重要性) of exploring the Mars.
3．The doctor listened to his breathing and checked his pulse (脉搏)．
4．They use special chemicals to accelerate (加速) the growth of crops.
5．Skilful (熟练的) and confident, Donaldson should become one of the game's best players.
6．Scientists have identified (确定) more than forty chemicals in tobacco smoke that cause cancer in humans and animals.
7．I have been so busy that I haven't had time to clear up the place which is so messy (凌乱的)．
8．The reporter questioned the accuracy (准确) of the information in her WeChat.
9．There is no alternative (可能的选择) for him but to maintain order under any circumstances.
10．In the botanical (植物学的) garden, many people are admiring a variety of plants.
