2. 外语
  3. According to the passage, compared to 3G mobile phones, the second-generation phones ______. The double-blind laboratory tests

According to the passage, compared to 3G mobile phones, the second-generation phones ______. The double-blind laboratory tests

admin2009-05-28  100
问题 According to the passage, compared to 3G mobile phones, the second-generation phones ______.
The double-blind laboratory tests means ______.
选项 A、nobody taking part in the test knows if the 3G base station is transmitting signals
B、only the subjects in the test know if the 3G base station is transmitting signals
C、no researchers know if the 3G base station is transmitting signals
D、everyone in the test knows if the 3G base station is transmitting signals
答案A
解析
转载请注明原文地址:https://kaotiyun.com/show/yEwK777K
本试题收录于： 大学英语三级B级题库大学英语三级分类
0

大学英语三级B级

大学英语三级

相关试题推荐
随机试题
最新回复(0)