子宫收缩的特点是（）
A．每次收缩由强到弱，逐渐消失
B．宫缩时胎盘血循环不受影响
C．宫缩起点在于宫底部
D．上段收缩力强，向下逐渐减弱
参考答案：D
在电路中，流入节点的电流（）从该节点流出的电流，这就是（）第1定律。
You are a manager of Administrative Office named J. S. Sanford. The board of directors have decided to refurbish the offices of Financial Department. Write a memo to tell all the employees that:
1) How long will this project last
2) Where shall be the temporary offices for the Financial Department during this period’
3) Which kind of affairs might be influenced during this period, and what will be the corresponding solutions
You should write about 100 words.
