【单选题】Approval of a foreign investor’s investment application is normally provided in “letter form,” rather than in a formal investment agreement, for which of the following?
A.
Proposals in which the investor is required to make some concession.
B.
Proposals that ask the host state to grant an investment incentive.
C.
Proposals that do not ask the host state for any investment incentives.
【简答题】在直角坐标系中,直线l的参数方程为 x=1+t y=-2+2t (t为参数),则它的截距式方程为______;以原点为极点,x轴的正半轴为极轴建立极坐标系,曲线C的极坐标方程为ρ=2cosθ+4sinθ,则直线,被曲线C所截得的弦长等于______.
【简答题】Which department deals with cash management and investment?
【单选题】在参数方程 x=a+tcosθ y=b+tsinθ (t为参数)所表示的曲线上有B、C两点,它们对应的参数值分别为t 1 、t 2 ,则线段BC的中点M对应的参数值是( )
【多选题】Which of the following are true of investment properties?
A.
Investment property is held partly for its investment potential.
B.
Property leased to another entity under a finance lease can be an investment property.
C.
Investment property can be held for rentals and capital appreication.
D.
A building held by a parent and leased to a subsidiary
E.
Land held for short-term capital appreciation
【多选题】Which of the following are investment intermediaries?
【单选题】Which is the pair phrase for "foreign investment"?
【简答题】(1)选修4-4:坐标系与参数方程 在曲线 C 1 : x=1+cosθ y=sinθ (θ为参数)上求一点,使它到直线 C 2 : x=-2 2 + 1 2 t y=1- 1 2 t (t参数) 的距离最小,并求出该点坐标和最小距离. (2)选修4-5;不等式选讲 若ab>0,且A(a,0),B(0,b),C(-2,-2)三点共线,求ab的最小值.
【单选题】曲线方程x=1-t2,y=t-t2,它在t=1处的法线方程为()。
【简答题】在平面直角坐标系 xOy 中,直线 l 的参数方程为 ( t 为参数),它与曲线 C :( y -2) 2 - x 2 =1交于 A 、 B 两点. (1)求| AB |的长; (2)以 O 为极点, x 轴的正半轴为极轴建立极坐标系,设点 P 的极坐标为 ,求点 P 到线段 AB 中点 M 的距离.