当船体刚性较差时应(),以免引起过大的船体变形,导致曲轴臂距差超过说明书或规范的要求。
A.在主机安装时采用反变形工艺
B.科学合理的配载
C.避免超载
D.加强检测
参考答案:B
–I argued with my best friend. What should I do?
--If I ________ you, I would say sorry to her.
A.am
B.was
C.are
D.were
终止密码有三个,它们是()
A.AAA CCC GGG
B.UAA UAG UGA
C.UUU UUC UUG
D.UCA AUG AGU
E.CCA CCG CCU