【简答题】真核细胞的核糖体由沉降系数各为____ S和 ____S的两个亚基组成。大亚基含 S rRNA, S rRNA, S rRNA各一分子和大约 ____种蛋白质。小亚基含 ____SrRNA和大约 种蛋白质。
【单选题】碳素结构钢屈服强度为235MPa的牌号等级为( )。
【多选题】习近平总书记强调:党内脱离群众的现象集中表现在( ) “四风”上。
【单选题】She wanted to improve her English to a point where she could speak comfortably with anyone.
A.
a. She wanted to become fluent in English.
B.
b. She wanted to advance her English ability like a native speaker.
C.
c. She wanted to improve on her English.
D.
d She wanted to fluent her English.
【简答题】She had got to the point where she felt that she could not take any more.
【单选题】I hear you’ve got a pen pal. Could you tell me ___________? [ ]
A.
where does she come from
D.
How did you know each other
【单选题】组成真核细胞细胞质核糖体小亚基的 rRNA 是
【判断题】碳素结构钢屈服强度为235MPa的牌号等级为235N/mm2。