正确答案: B

错误

题目：水稻和稗草都有叶舌、叶耳。( )

解析：B

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举一反三的答案和解析：

[单选题]After seeing the good students’ designs，some students _________.

thought they would not win the prize

解析：【解析】细节理解题。由第四段倒数第二句Some of us would wander past the good students’ desks and then return to our own projects with a growing sense of hopelessness可知。

[单选题]下列有关人类基因组计划的叙述中，不正确的是

该计划测定的是人体细胞内23条染色体的碱基序列