【单选题】已定义ch为字符型变量,以下赋值语句中错误的是
【单选题】The author decided to write about the differences between American and British English to
A.
support the statement of Bernard Shaw.
B.
describe his personal experiences.
C.
show his sense of humor.
D.
help people’s communication.
【多选题】火力发电厂评价机组经济性的指标包括()。
【单选题】Faced with a very unfavorable market situation, the author decided ______.
A.
to improve his service
B.
to start a new business
D.
to reduce his investment
【单选题】已定义ch为字符型变量,以下赋值语句中错误的是
【单选题】碳信用又称碳权,指在经过联合国或联合国认可的减排组织认证的条件下,国家或企业以增加能源使用效率、减少污染或减少开发等方式减少碳排放,因此得到可以进入碳交易市场的碳排放计量单位,一个碳信用相当于一吨二氧化碳排放量。 某燃煤发电厂去年碳排放额超标,根据上述定义,该电厂对应做法不包括( )
【简答题】他励直流电动机的制动方法有能耗制动、( ) 制动 、回馈 制动 。
【简答题】他励直流电动机的制动方法有[填空(1)]、[填空(2)]、[填空(3)]。A. 能耗制动B. 反接制动C. 回馈制动
【单选题】The author decided to write about the differences between American and British English to
A.
support the statement of Bernard Shaw.
B.
describe his personal expenences.
C.
show his sense of humor.
D.
help people’s communication.
【判断题】改革开放前,我国旅游业在性质上是作为外事工作的一部分开展的,工作重心在入境旅游的接待上。 P8