【判断题】Ku Klux Klan disappeared in mid and late 19th century.
【判断题】Romanticism is a movement in the late 18th and mid 19th centuries.
【单选题】Modern industry must have developed ______ .
A.
before the Middle Ages
B.
around the 19th century
D.
machines to take tests
【判断题】Z6~66.测量线圈的电感量,应选用交流电桥。
【单选题】HTTP response status code for Bad Request is ( ).
【单选题】If the status code in HTTP response message is 404, it means ( ).
B.
The requested document doesn’t exit on this server.
C.
This is a generic error code indicating that the request could not be understood by the server.
D.
Requested object has been permanently mover.
【单选题】Suppose a browser sends an HTTP request message with the If-modified-since: header. Suppose the object in a server has not changed since the last time a client retrieved the object. Then the server wi...
【单选题】By the mid-1980s, farmers in Denmark ______.
A.
used 50 per cent less fertiliser than Dutch farmers.
B.
used twice as much fertiliser as they had in 1960.
C.
applied fertiliser much more frequently than in 1960.
D.
more than doubled the amount of pesticide they used in just 3 years.
【简答题】HTTP response status codes 301() 505()
【单选题】Quills were the chief writing tool until the _______ of steel pens in the mid 19th century.