PTP的主菜单包括（）.
A.系统状态方式
B.系统测试方式
C.编程方式
D.以上全部
参考答案：D
引起新生儿十二指肠梗阻的常见疾病有()
A．十二指肠闭锁和狭窄
B．环状胰腺
C．肥厚性幽门狭窄
D．肠旋转不良
E．胃扭转
They wouldn’t agree to sell the house to us at the same price _____ they had promised, _____ was rather disappointing.
A．which ; as
B．as ; that
C．as ; which
D．that ; that
