【判断题】根据F=ma 得到m=F/a,所以物体的质量跟物体所受的合外力成正比。
【单选题】Refer to Figure 1 The amount of the tax per unit is
【单选题】已知FTP服务器的IP地址为210.67.101.3,登录的用户名为"KITE",端口号为23,通过FTP方式登录时,以下输入正确的是( )
B.
ftp://210.67.101.3:KITE
C.
ftp://210.67.101.3/KITE:23
【单选题】Refer to Figure 9-1. With trade, Scotland will
A.
export 11 units of wool.
B.
export 5 units of wool.
C.
import 15 units of wool.
D.
import 6 units of wool.
【简答题】根据牛顿运动定律 F=ma ,物体质量 m 恒定,测得力 F 就可以计算出加速度 a ,而力可以通过测量弹性元件的形变的大小得到,所以 就是测量力的传感器 。
【单选题】Refer to Figure 1 The per-unit burden of the tax on sellers is
【单选题】已知FTP服务器的IP地址为210.67.101.3,登录的用户名为KITE,端口号为23。通过FTP方式实现登录时,以下输入正确的是( )。
B.
FTP://210.67.101.3:KITE
C.
FTP://210.67.101.3/KITE:23
【单选题】Figure 1 The figure below depicts a production function for a firm that produces cookies. Refer to Figure 1 . As the number of workers increases,
A.
total output increases, but at a decreasing rate.
B.
marginal product increases, but at a decreasing rate.
C.
marginal product increases at an increasing rate.
D.
total output decreases.
【单选题】Refer to Figure 28-1. The labour force is
【单选题】Refer to the symbol in Figure1. When A = 0 and B = 1, ________.