题目
A. have given up
B. gave up
C. had given up
D. has given up
第2题
_________
[A] searching
[B] strolling
[C] crowding
[D] wandering
第3题
第4题
A.Scientists Searching for Metals with Special Power
B.New Methods of Searching for Trees and Bushes
C.Gold Could Be Found by Trees and Plants
D.A New Method of Searching for Minerals: Using Trees and Plants
第5题
A.until
B.unless
C.while
D.if
第6题
A.processing
B.operating
C.searching
D.handling
第7题
第8题
●How many key comparisons are needed in searching for key value 38? (74) .
(74) A.1
B.4
C.3
D.2
第10题
The computer system broke out suddenly while he was searching for ination on the Internet.()
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