make our city more beautiful
offer the chance to have fun
help students meet old friends
第1题:
Solid green arrows on the main body of a pilot chart indicate ______.
A.prevailing wind directions
B.prevailing ocean current directions
C.probable surface current flow
D.shortest great circle routes
第2题:
第3题:
The main purpose of the text is to _______.
A. describe children’s thinking
B.answer some questions children have
C.stress the importance of communication
D.advise parents to encourage their children
第4题:
public class Test { public static void main (String args) { string foo = “blue”; string bar = foo; foo = “green”; System.out.printIn(bar); } } What is the result?()
第5题:
第6题:
第7题:
第8题:
The "main storage" normally means that part of internal storage into which instructions and other data must be loaded for subsequent execution or processing. In large computing systems, the term "main storage" is(71) to "memory". "Buffer" mainly indicates a special-purpose storage or storage area allowing, through(72) storage, the data transfer between two functional units having different transfer characteristics. A buffer storage is used between non-synchronized devices or where one is(73) and the other is parallel or between those having different trans far rates. "(74) (memory)" is also a special-purpose buffer storage, smaller and faster than main storage, used to hold a copy of instructions and data obtained from main storage and likely to be needed next by the processor. "Register" is commonly composed of a part of internal storage having a specified storage(75) and usually intended for a specific purpose.
A.suitable
B.optional
C.choice
D.preferred
第9题:
Ensuring that data is transmitted securely over an IP network is the main purpose of:()
第10题:
To act as ballast for light vessels
To provide ventilation and drainage for cargo
To secure the tarpaulins in place
To support weakened bulkheads