【简答题】A.applauding B.assessing C.ascending D.adjusting
【单选题】如果在第一年初贷款长贷500(期限5年),第一年第三季度贷款短贷300,那么在第二年一共需要支付利息多少?短期贷款还款期为什么时候?
【简答题】衡量材料的塑性性质的主要指标是( )和( )。
【简答题】Describe the procedures of adjusting derricks.
【简答题】我们把图中所有顶点加上遍历时经过的所有边构成的子图称为 ___ 。
【单选题】We are adjusting this project to meet the clients’ needs . (就划线部分提问)
A.
Why do we are adjusting this project to meet the clients’ needs?
B.
What are you adjusting this project to meet the clients’ needs?
C.
Why are you adjusting this project ?
【简答题】设a,b为常矢,r=xi+yJ+zk,r=|r|,证明 (1)▽(r.a)=a; (2)▽.(ra)= (r.a); (3)▽×(ra)= (r×a); (4)▽×[(r.a)b]=a×b; (5)▽(|a×r|2)=2[(a.a)r-(a.r)a]. [提示:利用拉格朗日恒等式:(a×b).(c×d)=(a.c).(b.d)-(a.d)(b.c).]