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【单选题】
( )对传染病的发生、流行以及影响其发生、流行的因素，进行监测。A.
县级疾病预防控制机构
B.
省级疾病预防控制机构
C.
各级疾病预防控制机构
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皮皮学刷刷变学霸
举一反三
【单选题】The travelers checks should be in dollars in the US because______.
A.
only a few banks deal with travelers checks
B.
only a few banks deal with foreign currencies
C.
traveler checks are insured against loss
D.
you can exchange the checks not in dollars easily
【简答题】茎上着生叶的部位称为 _____ ,两个节之间的部分称为 _____ 。银杏植株具有两种枝条,节间显著伸长的枝条称为 _____ ;节间短缩甚至难于分辨的枝条称为 _____ 。叶脱落后在茎上留下的叶柄痕迹,称为 _____ 。叶痕内的点线状突起称为 _____ 。顶芽开展时,外围的芽鳞片脱落后留下的痕迹称为 _____
【单选题】Only can a(n)______worker deal with the situation.
A.
experienced
B.
experimented
C.
influenced
D.
high
【简答题】查询女生人数 S elect count(*) from student where ()=’ 女 ’
【单选题】Employees from each department elect a to the meeting.
A.
receptionist
B.
representative
C.
florist
D.
tourist
【单选题】The travelers checks should be in dollars in the US because______.
A.
only a few banks deal with travelers checks
B.
oniy a few banks deal with foreign currencies
C.
traveler checks are insured against loss
D.
you can exchange the checks not in dollars easily
【单选题】They were set to make a tremendous profit on the deal, but only made a ()one at last.
A.
separate
B.
broken
C.
fractional
D.
large
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