起重机工作幅度、吊臂长度的改变会直接影响起重机的起重能力。因此,在起重作业时,必须按 发布时间:2018-08-13 05:00 │ 来源:www.tikuol.com 题型:判断题 问题: 起重机工作幅度、吊臂长度的改变会直接影响起重机的起重能力。因此,在起重作业时,必须按照要求对起重机进行带载伸缩和带载变幅,但汽车式起重机的起吊重量能适当超过规定值。
题型:判断题 完形填空。 Once a man and his wife worked for a businessman. There was a big box in the businessman's living room. The businessman pointed at the box and said, "There's only one thing you 1 do. Don't open the box." After saying this, he 2 the living room. The woman said to her husband, "There 3 be something expensive in the box. Let's 4 it, shall we?" Her husband said no to her. The woman didn't give up her 5 One day, she decided to find out what was 6 it. Her husband didn't stop her. She opened the box and looked 7 . She found nothing in the box and tried hard to close it, 8 she failed. That evening the businessman came home and found the box was 9 He was very angry and asked the woman and her husband to leave his home. "But there was nothing in the box," the woman said. "We haven't taken anything 10 ." The businessman shouted at them, "The box is not important. I cannot believe you. That's important!" ( )1. A. needn't ( )2. A. entered ( )3. A. must ( )4. A. open ( )5. A. work ( )6. A. near ( )7. A. inside ( )8. A. so ( )9. A. lost ( )10. A. at all B. wouldn't B. left B. will B. close B. idea B. under B. outside B. and B. open B. at times C. mustn't C. found C. used to C. clean C. box C. in C. up C. but C. empty C. at once 查看答案
题型:判断题 患者女性,40岁,半月前患“感冒”,头痛,恶心,呕吐两次,发热,当时按“感冒”治疗。此后逐渐出现精神萎靡,疲乏无力,表情淡漠,卧床不起,不食,不语,问话不答,时而独自发笑。既往健康。躯体检查:体温38.5℃,脉搏100次/分,呼吸20次/分,血压120/70mmHg,急性重症面容,消瘦,轻度脱水。神经系检查:嗜睡状态,右下肢肌张力增高,腱反射亢进,有踝阵挛。精神检查:两眼呆滞,缄默不语,表情淡漠,蜡样屈曲,处于木僵状态。脑电图呈广泛中度异常。下列哪项检查最有意义()A.CSF检查B.脑CTC.血常规、心电图D.头颅平片E.脑MRI 查看答案