【简答题】已知条件如图所示,图中a=400mm,b=50mm,试利用合力矩定理求分力F 1 、F 2 、F 3 对点O和点B之矩。
【单选题】一个发光二极管显示器应显示“7”,实际显示“l”,则故障线段应为()。
【多选题】Imagine you are checking in at a hotel. You are talking with the receptionist. 下列哪些句型符合场景?
A.
I have a reservation with you
B.
May I have a look at your passport
C.
Would you please fill out the registration form
D.
Here is the key card to Room 5012
E.
The bell-man will show you the way
【简答题】Imagine you are a customer in a restaurant. Listen to the waiter's questions. Match each question with a reply
【单选题】Imagine you are a left-hander. Suddenly everything in the world is changed. The door locks are on the wrong side of doors. The shift gear (变速器) in your car is in the wrong place. Handles on tin opener...
【单选题】如图2-1a所示,求分力F1、F2的合力,( )图正确。
【单选题】如图 2-1a 所示,求分力 F1 、 F2 的合力,( )图正确。
【单选题】On March 23, 2013, a 5-year US government bond with a face value of $1,000 that makes annual coupon payments at a coupon rate 8% was going to be issued. Now there are two two other trading US Treasure...
C.
Both of the first and the second
D.
None of the first and the second
【单选题】某纳税人向非金融机构借款1000万元,全年支付利息180万元,金融机构同类、同期贷款利率为13%,则企业应允许税前扣除利息支出()。