第五部分单词拼写(共10小题，每小题1分, 满分10分)

81. A good many ________ (自愿者) did what they could to help those people trapped in the ruins.

82. The injured have been ________ (临时) taken to the nearest hospital for the first aid.

83. The white shark is usually considered to be the ________ (凶猛) and the most dangerous.

84. They will send you the book for $2.75, postage ________ (包括).

85. The students wanted their teacher to compare the _______ (文明) of ancient China with those of ancient Rome.

86. I became even more ________ (困惑) about all the different labels on the goods after the explanation.

87. Our English teacher is very strict with us, and he sets very high ________ (标准) for our homework.

88. The headmaster didn’t attend our assembly and let his secretary ________ (代表) him.

89. In the 1950s the Chinese government introduced _______ (简化) Chinese characters and now they are widely used in mainland China.

90. We are sad to know that many people lost lost their lives and so many buildings were _______ (毁坏) in the Yushu earthquake.