题目

四：单词拼写（共10小题；每小题1分，满分 10分） 76. Reagan was e______ as the thirty-second  President of the United States. 77. I want to write about people who have AIDS or who are a______ to drugs. 78. O_______, what you have said is not true. 79. I can't _______(联系) what he does to what he says 80. Newspapers can keep us well i________ about what is happening all over the world. 81. It's not__________（可靠的）to judge a man only by his looks 82. Her sad r__________ 1ooks the nature of her thoughts. 83. They don't have the best service，but I __________ （13．“sinα=$\frac{1}{2}$“是“α=30°”的（　　）A．充分不必要条件B．必要不充分条件C．充要条件D．既不充分也不必要条件