普通轻型双吊杆的中稳索是控制:()
A.吊杆俯仰
B.吊杆左右摆动
C.两吊杆头之间的距离
D.起重柱位置
参考答案:C
—I can start to work next Monday.
—____________ then. I am glad to be able to offer you the job.
A.You can't be serious.
B.You're welcome.
C.That's right.
D.It's settled.
哪项符合生理性腹泻的特点()。
A.是由辅食添加所致
B.生长发育受到一定的影响
C.外观虚胖,常有湿疹
D.多见于1岁左右小儿
E.新生儿期食欲好,无腹泻