The smallest meaningful unit of langua

1、The economy of the United states aft

The economy of the United states after 1952 was the econnomy of a well-fed,almost fully employed people. Despit occasional alarms, the country...

2、The smallest size of flaw that can be

The smallest size of flaw that can be detected on a radiograph examination of a weld will be indicated by the（）.Afilm speedBpenetrometerCexposure readingDtime of exposure

3、The unit of duration of a dash in Mors

The unit of duration of a dash in Morse Code is（）.Aone and one-half times the length of a dotBtwice the length of a dotCthree times the length of a dotDfour times the length of a dot

4、The unit of electrical power is the __

The unit of electrical power is the _____.AampereBkilovoltCwattDfarad

5、The authors of the United States const

The authors of the United States constitution attempted to establish an effective national government while preserving ______for the states and liberty for individuals.AA autonomy B dignity C monopoly D stability

6、The full title of the U.K. is the Unit

The full title of the U.K. is the United Kingdom of （）and （）