The following is a thing that the teacher often do in a language classroom. Please decide what role the teacher is playing this activity: the teacher gives students 2minutes to skim a text, and when time is up, he/she asks students to stop and answer some questions ________________.
:A.prompter
B.organizer
C.controller
D.participant
第1题:
A:( ) you like a drink? Wine? Beer? B:A beer, please.
A. Could
B. Would
C. Do
第2题:
第3题:
某个设备向云端更新状态属性的数据,应该发送到的Topic为________。
A./sys/a1LlAA50xYl/BME280/thing/event/property/post
B./sys/a1LlAA50xYl/${deviceName}/thing/event/property/post
C./sys/a1LlAA50xYl/BME280/thing/service/property/set
D./sys/a1LlAA50xYl/BME280/thing/deviceinfo/update
第4题:
Newman: I have an appointment with Mr. Brown.
Receptionist: Mr. Brown is expecting you now. ____________
A、Come this way, please.
B、Go this road, please.
C、Follow this direction, please.
D、Move here, please.
第5题:
以下字符串定义错误的是___________。
A.char s[7]="Teacher";
B.char s[]="Teacher";
C.char s[10]={"Teacher"};
D.char s[10]="Teacher";
第6题:
套管换热器,内管外径di、外管内径do,则环隙的当量直径de= 。