急性肾小球肾炎( )
A.C3一过性降低,8周后恢复正常B.C3持续性降低C.C3在肾炎活动时降低明显,肾炎控制后有回升趋势D.C3一般不降低E.C3增高
参考答案:A
根据情景选择正确答案。
1. 你想知道别人长什么样或者他是什么性格,应说:[ ]
A. What does he like?
B. What is he like?
C. How is he like?
2. 你想问别人的语文老师是谁,应说:[ ]
A. Who's your Chinese teacher?
B. Whose your Chinese teacher?
C. Your Chinese teacher is who?
3. 你想告诉对方“他很和蔼”,应说:[ ]
A. He's very funny.
B. He's very strong.
C. He's very kind.
在香水玫瑰的花色遗传中,红花、白花为一对相对性状,受一对等位基因的控制(用R、r表示)。从下面的杂交实验中可以得出的正确结论是()
A.红花为显性性状
B.红花A的基因型为Rr
C.红花C与红花D的基因型不同
D.白花B的基因型为Rr