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【简答题】
CET4 Listening Time : Approximately 25 minutes INSTRUCTIONS TO CANDIDATES • Answer all the questions • You can change your answers at any time during the test INFORMATION FOR CANDIDATES • There are 20 questions in this test • Each question carries one mark • You will hear each part once • For each part of the test there will be time for you to look through the questions and time for you to check your answers
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举一反三
【单选题】We asked both John and Jerry,but______could offer a satisfactory explanation.
A.
neither
B.
either
C.
both
D.
nor
【单选题】We asked both john and jerry, but ______ could offer a satisfactory explanation.
A.
both
B.
either
C.
neither
D.
none
【简答题】容器在使用前必须经过洗涤,盛装测金属类水样的容器,先用___,用开水冲洗,再用___的盐酸或硝酸浸泡8h,用自来水冲洗,清洗干净
【单选题】Suppose users share a 2 Mbps link. Also suppose each user transmits continuously at 1 Mbps when transmitting, but each user transmits only 20 percent of the time. Suppose now there are three users. F...
A.
0.001
B.
0.002
C.
0.004
D.
0.008
【单选题】A multimedia system allows end users to share, transfer and process a variety of forms of information in a(70)manner.
A.
fixed
B.
fix
C.
unifying
D.
unified
【单选题】Jerry has promised to keep the secret, so he won't tell anyone ________ asked to.
A.
until
B.
now that
C.
unless
D.
even though
【单选题】较为黏稠液态物料的干燥宜选用
A.
烘干干燥
B.
沸腾干燥
C.
喷雾干燥
D.
减压干燥
【判断题】在审计过程中,必须注意企业是否设置账外账
A.
正确
B.
错误
【单选题】I asked Jerry and Ken to come to my house for study, but ______ of them came. [     ]
A.
none
B.
either
C.
neither
D.
both
【单选题】The purposes for several users to share a mainframe are ______.
A.
to divide the cost of the equipment among them
B.
to utilize the equipment to the maximum extent
C.
to produce fewer PCs
D.
both A and B
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