问题
单项选择题
下列均为大气污染对健康的直接损害，除外
A．急性中毒
B．机体免疫力下降
C．儿童佝偻病的发生增加
D．变态反应
E．致癌作用
答案
参考答案：C
搜题请搜索小程序“爱下问搜题”
下列均为大气污染对健康的直接损害，除外
A．急性中毒
B．机体免疫力下降
C．儿童佝偻病的发生增加
D．变态反应
E．致癌作用
参考答案：C
Passage 3
Which of the following statement is NOT true a. Consumers can enjoy more convenience as the cooperation between Internet companies and hardware makers develops. b. Yahoo is expected to cooperate with Google Inc. to provide Web services to the Nokia handset users. c. Nokia entered cooperation with Yahoo Inc. earlier than Motorola. d. Consumers need to wait for a period of time before their existing phones can be connected to the Internet.