建筑石膏最突出的技术性质是凝结硬化快,且在硬化时体积略有膨胀。

题型:判断题

问题:

建筑石膏最突出的技术性质是凝结硬化快,且在硬化时体积略有膨胀。

考点:施工员施工员专业基础知识施工员专业基础知识题库
题型:判断题

“小小少年,很少烦恼,眼望四周阳光照。小小少年,很少烦恼,但愿永远这样好。”但步入青春期,烦恼和心理矛盾随之产生,处理不好就会成为我们前进的阻力。因此要[ ]

A.远离青春期的到来

B.少于他人交往

C.主动与人沟通,丰富文化生活

D.努力追求个性化

题型:判断题

()可以保存网页信息。

A.标题栏

B.菜单栏

C.收藏夹

D.地址栏

题型:判断题

One day, an old monk named Wisdom, followed by two young monks, was walking from one town to another when they caught sight of a lake. Tired and thirsty, they stopped to have a rest. The old monk, __小题1:__(point)to the lake, asked the younger one to get him some water.

When the little monk reached __小题2:__ lake, a cart drawn by an ox started crossing the lake, 小题3:__ made the water very muddy. The little monk thought, “How can I give this muddy water to my master to drink!” So he came back without any water, saying, “The water is very muddy. I don’t think 小题4:  is suitable to drink.”

After a while, the same monk ___小题5:___ (ask)to get water again. When he went back to the lake, he found that the mud had settled down already, _小题6:___ he collected back a pot of water. Wisdom looked at the water 小题7:  (happy) and then up at the monk, “To make the water clean,小题8:  you need to do is just to let it be and the mud would settle down _小题9:__ its own.”

It is also the same with your mind. When it is disturbed, just let it be. Give it a little time and it will settle down _小题10:___.

题型:判断题

如图,子弹从O点水平射出,初速度为v0,穿过两块竖直放置的薄挡板A和B,留下弹孔C和D,测量C和D的高度差为0.1m,两板间距4m,A板离O点的水平距离为14m,不计挡板和空气的阻力,则v0=______ m/s (g=10m/s2 )

题型:判断题

男性,65岁,冠心病10年。6小时前胸骨后剧痛,为压榨性,并向左臂放射。先后含硝酸甘油4次,疼痛稍减轻,烦躁不安,出汗。查体:急性痛苦面容,体温36.5℃,血压为13.3/9.3kPa(100/70mmHg),脉率110次/分;心界不大,律齐,心音低,未闻奔马律及杂音;双肺少许湿性啰音;肝脾未触及。

于入院后第3天突发剧烈胸痛,端坐呼吸,心脏超声见明显二尖瓣反流。查体时最有诊断意义的体征为()

A.胸骨左缘中下部收缩期杂音

B.心音遥远,心界增大

C.血压降低,脉压减小

D.心尖区响亮的全收缩期杂音

E.满肺湿性啰音及颈静脉曲张

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