根据桩的受力状态将桩分为以下几种:()
A.挤土桩
B.非挤土桩
C.部分挤土桩
D.摩擦桩
E.端承桩
参考答案:D, E
With a lot of difficult problems_____,the newly-elected manager is having a hard time.
[ ]
A. settled
B. settling
C. to settle
D. being settled
My ship()heavy weather during this voyage.
A.received
B.saw
C.met
D.encountered