【单选题】The following selections have topic sentences (main ideas) that may appear at any place within the paragraph. Identify the topic sentence of each paragraph by choosing the answer with correct sentence...
【单选题】This research has attracted wide coverage in the ________ and has featured on BBC television’s Tomorrow’s World.
【简答题】列出所有学生的学号(studentno),姓名(sname)和入学成绩(point)。
【单选题】将八进制数56转换为十六进制数为________。
【多选题】Which destination addresses will be used by Host A to send data to Host C?()
A.
the IP address of Switch 1
B.
the MAC address of Switch 1
C.
the IP address of Host C
D.
the MAC address of Host C
E.
the IP address of the router's E0 interface
F.
the MAC address of the router's E0 interface
【判断题】美国权威的《文学摘要》杂志社于1947年停刊。
【单选题】The scientific group is carrying out a research focused on a drug which is so _______ as to be able to change brain chemistry.
【单选题】From the study by the Pew Research Centers Internet & American Life Project, we know that______.
A.
something about the Internet lets teenagers suppress their anger
B.
social networks are no longer popular among teenagers
C.
cruelty and meanness prevail among teenagers on social networking sites
D.
few of the teenagers surveyed report positive feelings toward the Internet
【单选题】Compared with their 1960s counterparts, the undergraduates in Ms. Blum's research prefer to ______.
A.
challenge the notion of authorship and originality
B.
establish a unique and authentic identity
C.
have a try on many different personas
D.
do more social work by Web-linking
【判断题】在选择坏账处理方式时,主要有备抵法和直接转销法。