下列属于工程项目成本核算的一般程序的是（）。
A、确定成本核算对象
B、进行预算成本核算
C、分配直接费用
D、确定劳动任务
参考答案：A
Read and write the opposite words．写出划线单词意思相反的词。
1. The elephant is heavy. The cat is .
2. English is easy. Maths is .
3. We won the game. They .
4. Bob throws the ball and David it.
5. The bus goes slowly. The car goes .
关于兴奋性突触传递过程的叙述错误的是
A．突触前轴突末梢去极化
B．Ca2+由膜外进入突触前膜内
C．突触小泡释放递质，并与突触后膜受体结合
D．突触后膜对Na+、K+、Ca2+，特别是对K+的通透性升高
E．突触后膜膜电位去极化达阈值时，引起突触后神经元发放冲动
The elephant is heavy. The cat is . 
English is easy. Maths is . 
We won the game. They . 
Bob throws the ball and David it. 
The bus goes slowly. The car goes .