【判断题】【消耗次数：1】
74LS 系列产品是TTL集成电路的主流，应用最为广泛。
①
正确
②
错误
参考答案：
复制
纠错
相关题目
【简答题】
存储元件的发展经过了电子管、[填空1]、集成电路和大规模集成电路4个阶段。
【多选题】
根据本讲，下列关于我国的集成电路发展史说法正确的是（）？。
①
初期我国发展受到巴黎统筹委员会的种种限制
②
实行的“863”计划最终失败
③
“973”计划取得成效
④
“863”计划是最大规模的一次国家型的投入
⑤
“903”工程是最大规模的一次国家性的投入
随机题目
【单选题】
Many manufacturers were accused of concentrating too heavily on cost reduction, often at the ____ of the quality of their products.
①
expense
②
exposure
③
expansion
④
expectation
【单选题】
The manager promised to keep me ____ of how our business was going on.
①
to be informed
②
on informing
③
informed
④
informing
【单选题】
I’m very sorry to have ____ you with so many questions on such an occasion.
①
interfered
②
offended
③
impressed
④
bothered
【单选题】
If we say some food is ____, we mean it is safe to eat.
①
ideal
②
editable
③
ideate
④
edible
【单选题】
Most people came to realize that it was about time the government ____ further measures to control the population.
①
must take
②
is taking
③
takes
④
took
【单选题】
He always has a lot of _______ ideas in his mind , and sometimes we do not even know what he is thinking about.
①
novel
②
spoil
③
acceptable
④
additional
【单选题】
Her skin was dry after ____ to the wind during the trip.
①
failure
②
disclosure
③
exposure
④
pressure
【单选题】
Though ____ in a big city, Peter always prefers to paint the primitive scenes of country life.
①
grown
②
raised
③
tended
④
cultivated
【单选题】
The medicine is on sale everywhere. You can get it at ______ chemist’s.
①
each
②
some
③
certain
④
any