酒花()因攀缘生长,在生产中通常称为蔓,螺旋状向上生长,中空,呈六棱形,棱上有绿色或紫红色的条纹,密生刺或钩毛。
A、主蔓
B、枝条
C、侧枝
D、地上茎
参考答案:D
( )是物价上涨迅速,货币价值不断下跌,人们完全丧失了对货币的信心,开始抢购物资和外币,货币基本丧失了作为交换媒介和价值标准的能力。
A.温和的通货膨胀
B.疾驰的通货膨胀
C.恶性循环的通货膨胀
D.成本推动型通货膨胀
The inside dimensions of a rectangular wooden box are 6 inches by 8 inches by 10 inches. A cylindrical cannister is to be placed inside the box so that it stands upright when the closed box rests on one of its six faces. Of all such cannisters that could be used, what is the radius, in inches, of the one that has maximum volume ?()
A.3
B.4
C.5
D.6
E.8