Resistors are elements.
A、passitive
B、active
C、independent source
D、dependent source
A、passitive
B、active
C、independent source
D、dependent source
A、Smog
B、Plastic pollution
C、Global warming
D、Loss of bio-diversity
A、now people go on trips in train, buses or planes
B、people on trips are not allowed to talk
C、people on trips are often caught in the rain
D、people on trips are often very dirty
A、Chronological pattern.
B、Problem-solution pattern.
C、Spatial pattern.
D、Topical pattern.
A、a single central planner.
B、a small number of central planners.
C、those firms that use resources to provide goods and services.
D、the combined actions of millions of households and firms.
A、We are writing to you to make our packaging requirements as follows.
B、We hope you will find our packaging requirements acceptable and are looking forward to your confirmation.
C、We hope you can understand our status and await for your decision.
D、It’s our usual practice to use cardboard cartons instead of wooden cases, as packaging in cardboard cartons has the following advantages.
为了保护您的账号安全,请在“简答题”公众号进行验证,点击“官网服务”-“账号验证”后输入验证码“”完成验证,验证成功后方可继续查看答案!