参考答案:A
A.综合数据网
B.B.电力调度数据网
C.C.运营商提供的数据专网
D.D.加密移动无线网
参考答案:B
第33题: [单项选择]We learn from the third paragraph that
A. London was plagued with rats in the 1950s.
B. London is covered with smog today.
C. London was polluted by smog in the 1950s.
D. Los Angeles is as heavily polluted today as London was in the 1950s.
参考答案:C
第34题:[填空题]适于治疗各型糖尿病不同阶段最基本的措施是( )
参考答案:A饮食治疗
我来回答:
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