皮皮学，免费搜题
登录
搜题
【单选题】
题1～6：某跨度为6m的钢筋混凝土吊车梁，安全等级为二级，环境类别为一类，计算跨度l0=5.8m，承受两台A5级起重量均为10t的电动软钩桥式吊车，吊车的主要技术参数见表2-1。 当进行承载力计算时，在吊车竖向荷载作用下，吊车梁的跨中最大弯矩设计值M(kN.m)，应与下列何项数值最为接近? 提示：该两台吊车在6m跨吊车产生的最大弯矩位置如图2-1所示。A.
279
B.
293
C.
310
D.
326
拍照语音搜题，微信中搜索"皮皮学"使用
参考答案：
参考解析：
知识点：
皮皮学刷刷变学霸
举一反三
【简答题】What may you say to the waiter or waitress when you want to know the food in the restuarant?
【判断题】When the guests arrive at the restaurant, the waiter or waitress might ask "Do you have the reservation?".
A.
正确
B.
错误
【简答题】半锥角为α的圆锥形封头,在半径为R处的第一、第二主曲率半径分别为A. ∞、RB. R、∞C. R、R/cosαD. ∞、R/cosα
【单选题】When the waiter ask the guest whether he or she make any orders, the waiter could ask:________
A.
Would you like some vegetables for your lunch?
B.
Are you ready to order now?
C.
Hope you enjoy your meal.
D.
You have order......Am I correct?
【判断题】When the guest arrived at the restaurant, the waiter should ask the guest whether he or she has a reservation.
A.
正确
B.
错误
【单选题】When the waiter or ____ gives you the menu, you have to make some decisions.
A.
separate
B.
waitress
C.
charge
D.
pick… up
E.
reservation
【多选题】When the waiter asks your order at a restaurant, you may say_________.
A.
I'll take the Seafood Salad with Fresh Fruit.
B.
I'd like to order a salad.
C.
Would you like toast or a muffin?
D.
I want to eat this one.
相关题目：