搜题请搜索小程序“爱下问搜题”
问题
单项选择题
只见于RNA而不见于DNA的碱基是
A.A
B.T
C.G
D.C
E.U
答案
参考答案:E
选择题
给下列划线的单词选择意思相近的词。
( ) 1. May I take a
picture
for you?
( ) 2. I
want
some oranges, please!
( ) 3. I
am
happy today.
( ) 4. This is
easy
.
A. photo
A. have
A. feel
A. hard
B. message
B. would like
B. do
B. not hard
C. letter
C. like
C. like
C. not loud
查看答案
单项选择题 A1/A2型题
引起呕吐,一般以感受何邪居多()
A.暑
B.火
C.湿
D.风
E.寒
查看答案