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【单选题】
引起猩红热的病原体为A.
金黄色葡萄球菌
B.
A组β血性链球菌
C.
柯萨奇病毒
D.
腺病毒
E.
沙门氏菌
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举一反三
【简答题】A．急性早幼粒细胞性白血病 B．慢性淋巴细胞性白血病 C．急性单核细胞性白血病 D．急性淋巴细胞性白血病 E．慢性粒细胞性白血病 易侵犯中枢神经系统
【单选题】Shortly after the government's new policy was put into effect, the economy of our country began to __ recovery.
A.
live in fear of
B.
tough it out
C.
take heart
D.
show signs of
【单选题】The economy of our country is developing with a_____speed.
A.
remarkable
B.
noticeable
C.
outstanding
D.
conspicuous
【单选题】We all ________ his optimism to the state of the current economy of our country because we have faith in our government. [ ]
A.
oppose to
B.
contribute to
C.
subscribe to
D.
react to
【单选题】In recent years, the tourist industry_____ greatly to the economy of our country
A.
Benefits
B.
assists
C.
supports
D.
contributes
【单选题】In recent years, the tourist industry_____ greatly to the economy of our country.
A.
benefits
B.
assists
C.
supports
D.
contributes
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