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最近,禽流感病毒高發(fā),已經(jīng)有 16個省出現(xiàn)禽流感案例了,僅僅一月份,全國感染H7N9禽流感發(fā)病數(shù)為192人,死亡數(shù)為79人,禽流感的病原體為H7N9,傳播途徑主要為呼吸道傳播或密切接觸感染禽類的分泌物、排泄物而被感染,或通過接觸病毒污染的環(huán)境感染,下列有關(guān)說法正確的是（）
A.可以使用抗生素來治療禽流感
B.H7N9屬于細(xì)菌病毒
C.將全部禽類殺死是預(yù)防該傳染病的有效措施
D.將周圍環(huán)境消毒屬于預(yù)防措施中切斷傳播途徑
B.H7N9屬于細(xì)菌病毒
C.將全部禽類殺死是預(yù)防該傳染病的有效措施
D.將周圍環(huán)境消毒屬于預(yù)防措施中切斷傳播途徑
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問答題
d____ vt. 1 show or provesth. clearly 說明;證明;論證 2show or describe how to do sth. or how sth. works 示范;演示
答案：
demonstrate
demonstrate vt. 1. show or prove something clearly 說明;證明;論證 2. show or describe how to do something or how something works 示范;演示
問答題
vt. 1 show or prove sth. clearly 說明;證明;證實;論證2 show or describe how to do sth. or how sth. works 示范;演示
答案：
demonstrate
1. show or prove sth. clearly 說明;證明;證實;論證
- The research aims to demonstrate the effectiveness of the new treatment.
- The data clearly demonstrates that the hypothesis is incorrect.
2. show or describe how to do sth. or how sth. works 示范;演示
- The instructor will demonstrate the proper technique for performing the exercise.
- The mechanic demonstrated how the engine works to the students.
