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The double-blind laboratory tests means no researchers know if the 3G base station is transmitting signals.（）
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更多“The double-blind laboratory tests means no researchers know if the 3G base station is transmitting s…”相关的问题
第1题
The double-blind laboratory tests means nobody taking part in the test knows if the 3G base station is transmitting signals.（）
第2题
The double-blind laboratory tests means only the subjects in the test know if the 3G base station is transmitting signals.（）
第3题
The double-blind laboratory tests means （）.
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
第5题
The double-blind laboratory tests means everyone in the test knows if the 3G base station is transmitting signals.（）
第7题
Which of the following is NOT mentioned as a possible cause of a tradeimbalance？
A.Low labor and material costs in Asiancountries.
B.A lack of natural resources
C.An underdeveloped industrial base.
D.The high cost of exported items.
