铁路专用无线通信维护质量包括设备质量、工作质量和运用质量。 发布时间:2017-05-15 03:41 │ 来源:www.tikuol.com 题型:判断题 问题: 铁路专用无线通信维护质量包括设备质量、工作质量和运用质量。
题型:判断题 从下面方框中选择适当的选项填入短文中的横线上,使短文通顺、完整.选项中有两项是多余选项。A. see B. nothing C. or D. with E. everything F. eating G. at H. only I. smoking J.some K. soon L. but Mr Johnson was having trouble I. ________ his stomach, so he went to 2. ________ a doctor. Thedoctor looked over his stomach carefully 3. ________couldn't find any problem. Then he said, "Well, Mr Johnson, take it easy.There is 4. ________ serious (严重). Stop smoking and then you will be all right 5. ________." "But doctor," answered Mr Johnson, "I never smoked. I don't like 6. ________at all. " "Oh, I see," said the doctor, "then stop drinking wine (酒) from now on. " But I don't drink wine," answered Mr Johnson. " Don't drink any tea 7. ________coffee then," the doctor said to him. " I 8. ________ drink water," answered Mr Johnson, "I don't like tea or coffec. " The doctor thought for a while and then said, " Well, what do you like to eat then?" " Potatoes! I like potatoes very much. " Mr Johnson answered 9.________once. "All right, Then stop 10. ________ potatoes." said the doctor as he got up to say goodbye to Mr Johnson. 查看答案
题型:判断题 在光线明亮的实验室里,观察透明的口腔上皮细胞后再观察颜色较深的黑藻叶片细胞,为便于观察,此时应A.改用凹面反光镜、放大光圈B.改用凹面反光镜、缩小光圈C.改用平面反光镜、放大光圈D.改用平面反光镜、缩小光圈 查看答案
题型:判断题 20世纪50年代,西方“福利国家”的社会政策体系因为忽略了( )的关系,结果在一定程度上使高福利的社会政策对经济发展产生了负面的影响。A.社会政策与社会发展B.社会政策与经济发展C.社会政策与政治D.社会政策与税收E.社会政策与文化 查看答案
题型:判断题 某配筋砌块砌体剪力墙房屋,房屋高度22m,抗震设防烈度为8度。首层剪力墙截面尺寸如图1-7所示,墙体高度3900mm,为单排孔混凝土砌块对孔砌筑,采用MU20级砌块、Mb15级水泥砂浆、Cb30级灌孔混凝土(fc=14.3N/mm2),配筋采用HRB335级钢筋,砌体施工质量控制等级为B级。 假定,混凝土砌块的孔洞率为46%,混凝二匕砌块砌体的灌孔率为40%。试问,灌孔砌体的抗压强度设计值(N/mm2),与下列何项数值最为接近 查看答案