机动车辆底盘由（）和传动系四大部分组成。
参考答案：传动系、行驶系、传动系
— What a lot of fun it is to visit Taiwan!
— Isn't it rather risky, ____? It is reported that the typhoon is coming![ ]
A. though
B. also
C. either
D. too
急性胰腺炎的治疗措施包括
A．低蛋白饮食或禁食
B．解痉止痛
C．保持血容量
D．减少胰腺分泌
E．抗菌治疗
