问题
单项选择题
Questions 14-23
·Look at the ten statements for this part.
·You will hear a passage about "the number of genes ". You will listen to it twice.
·Decide whether you think each statement is right(R), wrong(W) or not mentioned(NM).
·Markyour answers on the Answer Sheet.
The first detailed study of the human gene map claimed that humans have about thirty thousand genes.
A．Right
B．Wrong
C．Not Mentioned
答案
参考答案：A
解析：[听力原文] 14-23
Number of Human Genes Questioned