题目内容：

第II卷（共23分）

第四部分：写作(共四节，满分23分)

第一节：单词拼写 (每小题0.5分，满分3分)

72. Many children s_________ to death every year in Africa because of the lack of food.

73. Without the teacher's p__________, you cannot play with the computer in our class. 

74. Wu must keep the b_________ of nature.

75. We don’t have the p_________ to hear such an empty talk.

76. Don't be r________ to your friends. You should be friendly to each other.

77. As is known to all, smoking is h_________ to our health.