在用起重机械安全定期监督检验周期为( )。A．半年 B．1年 C．2年 D．3年 发布时间：2017-12-22 08:42 │ 来源：www.tikuol.com 题型：单项选择题 问题： 在用起重机械安全定期监督检验周期为( )。A．半年B．1年C．2年D．3年
题型：单项选择题 完形填空。 Laura lived in a small village near the sea. One day she decided to go for a swim in the sea. She knew that the sea near the 1 had a strong tide, but she was a good swimmer, so she wasn't 2 . Laura left her friends lying on the sands and ran into the sea. She swam quite far away from the beach and waved (招手) to her friends in the distance. After a short while she decided to swim 3 . She tried her best, but she couldn't get any closer to the beach. The tide kept 4 her back. She waved her arms in the air to let her friends know that she was 5 , but they just waved back, for they didn't know what she 6 . After a long time, Laura become very 7 and she couldn't swim any more. Her legs 8 and she lost hope. Suddenly, her foot touched 9 ! All the time she had been swimming in a place where the water wasn't deep! When she went back to the beach, one of her friends asked, "Did you 10 your swim?" "Yes, it was lovely," she answered. She never told them what really happened. ( )1. A. town ( )2. A. lonely ( )3. A. up ( )4. A. pulling ( )5. A. in trouble( )6. A. found ( )7. A. hungry ( )8. A. came up ( )9. A. a tide ( )10. A. enjoy B. city B. surprised B. back B. pushing B. happy B. meant B. sleepy B. went down B. the sand B. remember C. village C. afraid C. down C. throwing C. out of trouble C. said C. tired C. were broken C. a fish C. drop 查看答案
题型：单项选择题 男性，31岁。发作性头痛、心悸伴大汗3次来诊。发病时体检：血压25．3／17．3kPa（190／130mmHg），心率140次／min，面色苍白，数分钟可缓解，继而出现面色潮红。在初诊时，下列哪项实验室检查最为重要（）A.血糖测定B.甲状腺功能测定C.24h游离皮质醇测定D.24h尿肌酐测定E.24h尿VMA测定 查看答案
题型：单项选择题 患者，男性，41岁，体检时发现AFP 600μg/L，ALT 26U/L，查体未见异常，初步诊断最可能的是A．原发性肝细胞性肝癌B．活动性慢性乙型肝炎C．生殖腺胚胎瘤D．妊娠 查看答案