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【单选题】
在普通光学显微镜下不可见的微生物是( )
A.
病毒
B.
细菌
C.
放线菌
D.
酵母菌
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参考答案:
举一反三
【单选题】Death Valley is one of the most famous deserts in the United States, covering a wide area with its alkali sand. Almost 20 percent of this area is well below sea level, and Badwater, a salt water pool,...
A.
Tomesha
B.
Death Valley
C.
Nevada
D.
Badwater
【简答题】阅读理解。 Death Valley is one of the most famous deserts in the United States, covering a wide area with its alkali sand. Almost 20 percent of this area is well below sea level, and Badwater, a salt water...
【单选题】烹饪药材要注意什么?
A.
将药材放入煲中,大火烧开
B.
将药材放入煲中,加入500ml清水,大火烧开去浮沫,转小火熬至汤汁减少为200ml左右
【单选题】The area is ______ with trails, some as wide as boulevards, that have been cut and maintained by elephants.
A.
blackmailed
B.
latticed
C.
isolated
D.
galloped
【单选题】男,43岁。左下后牙食物嵌塞2年余。检查:左下第二前磨牙远中邻面龋洞,已穿髓,探诊无反应,叩痛(一),X线片显示35远中邻面龋洞与髓腔相通,根尖周无明显异常。应诊断为
A.
深龋
B.
牙髓坏死
C.
牙内吸收
D.
牙外吸收
E.
慢性根尖周炎
【判断题】已知邻苯二甲酸与丙三醇反应制备聚酯时的投料比为5:3,预测该缩聚反应体系能产生凝胶。
A.
正确
B.
错误
【简答题】Death Valley is one of the most famous deserts in the United States, covering a wide area with its alkali sand Almost 20 percent of this area is well below sea level, and Badwater, a salt water pool, ...
【单选题】上图中哪个是远心镜头的拍摄效果()
A.
图A
B.
图B
【简答题】Death Valley is one of the most famous deserts in the United States, covering a wide area with its alkali sand. Almost 20 percent of this area is well below sea level, and Badwater, a salt water pool,...
【单选题】烹饪过程中要注意什么?
A.
药材要与老母鸡一起炖
B.
老母鸡的汤一定要清、不能过火
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