以下肝海绵状血管瘤的CT表现中，不正确的是（） A.平扫为低密度肿块，CT值约30H

第Ⅱ卷（非选择题，共50分）

20080504

第四部分：写作（共三节，满分50分）

第一节：单词拼写（共10小题；每小题1分，满分10分）
81. I a____________ him for his courage to save the girl from the big fire.
82. The World Expo in Shanghai will attract about 70 million visitors, which will be another f___________ after the 29th Olympics.
83. The United Nations calls on people all over the world to keep the b_________ of nature
84. Our house is s____________ by trees, so we can enjoy their shade in summer.
85. He looked calm before the competition, but i________, he was very nervous.
86. Nobody knows for sure when the earth came into e_____________
87. I was so p____________ about the teacher’s words that I didn’t know what to do next.
88. She called the hotel again, c__________ her room number and the date for check-in.
89. Yao Ming is a strong and e_____________ basketball player.
90. Tom’s rude b____________ at the meeting made us unpleasant.