Ellipsis I In compound sentences 电压的单位是伏特,电流的是安培。 Voltage is measured in volts and current in amperes. 地球吸引月球,月球也吸引地球 The earth attracts the moon and the moon the earth
Epidemiology 6th leading cause of death in U.S. Number one Among the infectious diseases 5.6 million patients annually in US Incidence 5~10/1,000/year Mortality in OPD patients 1-5 %, but Inpatients 25%, ICU 50-60%
I. Choose the Correct Answer 1. A particle moves with position given by r ti j = 3 ˆ + 4 ˆ v , where r v is measured in meters when t is measured in seconds. For each of the following, consider only t > 0. The magnitude of the angular momentum of this particle about the origin is ( B )