在常温条件下，水泥稳定土基层的养护时间至少应（）天。
A.5
B.6
C.7
D.8
参考答案：C
In relation to employment law distinguish between and explain the meaning of:
(c) wrongful dismissal. (2 marks)
某DNA分子共有1000个碱基对，若腺嘌呤A的数量为600个，则该DNA分子中胞嘧啶的个数为（）
A.100
B.200
C.300
D.400
