外脚手架上供人员上下的斜道坡度（高：长）应不大于（），宽度不小于lm。
A.1：3
B.1：4
C.1：5
参考答案：A
He was hoping to go abroad; but his parents __________ that they won’t support him unless he can borrow money from the bank.
A．were deciding
B．have decided
C．decided
D．will decide
下述“胃淋巴瘤”说法，错误的是（）
A.肾门水平以下淋巴结肿大是其与胃癌鉴别点之一
B.增厚的胃壁少有坏死、囊变
C.常有胃周脂肪、脏器受累
D.罕有“白、毛、僵”现象
E.胃是消化道淋巴瘤最好发部位
