【简答题】链激酶可促进纤维蛋白(),故也称为(),临床上主要用于()疾病的治疗,但特异性低,可使全身纤维蛋白溶解而致出血,严重出血者用()对抗。
【单选题】下列_______不能减小应力集中的影响①开小口②倒角③圆弧过度④在截面处渐变⑤在截面变化处钻孔⑥增开切口
【简答题】He _ _ a book he had always wanted to have.
【简答题】he had always had a good memory, but the thrill of young love seems to have shifted a gear in his mind. (2017,6)
【单选题】下列有关溢洪道的说法不正确的是?
A.
动水压力引起的底板掀起的处理措施可以是重新浇筑底板
B.
在进弯道处设置分流隔墩,使集中的水面横比降由分流隔墩分散不能减小弯道水流的影响
C.
地基土掏空破坏的处理,首先应做好接缝处反滤,并增设止水
D.
为防止土基上的底板向下滑动,可在每块底板端部做一段横向齿墙,齿墙深度40~50cm
【单选题】下列()不能减少应力集中的影响。 ①开小口; ②倒角; ③圆弧过渡; ④在截面变化处渐变; ⑤在截面变化处钻孔; ⑥增开切口。
【单选题】He had always kept a ______ eye on what was happening around him.
【单选题】After retirement, Mr. Mike ______ drawing, which he had always loved but had not had time for.
【单选题】He had always been ____the way Ruth looked, and had never once paid her a compliment .