【单选题】【消耗次数：1】
What ___the population of the USA?
①
is
②
are
③
have
④
has
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相关题目
【多选题】
The population there has_____________ by ten percent.
①
increased
②
grown
③
learned
④
written
【单选题】
China has a large population than [填空] in the world.
①
all the countries
②
every country
③
any country
④
any other country
【单选题】
The population of many Alaskan cities has __________ doubled in the past three years.
①
larger than
②
as great as
③
more than
④
as many as
【单选题】
It may only be through repeated experiments _______ a baby will come to accept the idea _______ other people can have different views from what he or she has.
①
how;which
②
how;that
③
that;that
④
which;which
【单选题】
A country ________ birth rate is higher than its death rate will have an increasing population.
①
who
②
which
③
whose
④
where
【单选题】
They are working hard to____ what they have lost.
①
make out for
②
keep up with
③
catch up with
④
make up for
随机题目
【多选题】
就中国知网的使用权限而言，正确的是（ ）。
①
从任何公网终端都可以访问其题录信息
②
从有访问权限的上网终端可访问其题录信息
③
从有访问权限的上网终端可访问其全文信息
④
从任何公网终端都可以访问其全文信息
⑤
以上说法都不对
【单选题】
CBM数据库中，检索消化性溃疡的治疗方面的综述文献，最优的检索策略是（ ）。
①
快速检索，输入“消化性溃疡的治疗”，执行检索。
②
主题检索，选择主题词“消化性溃疡”，选择副主题词“治疗”，执行检索。
③
主题检索，选择主题词“消化性溃疡”，选择副主题词“治疗”，限定条件设置文献类型为讲座。
④
主题检索，选择主题词“消化性溃疡”，选择副主题词“治疗”，限定条件设置文献类型为综述。
【单选题】
PubMed中主题词检索针对的是以下哪个数据库？（）
①
MEDLINE
②
in-process citations
③
publisher-supplied citations
④
OLDMEDLINE