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【简答题】
现代预防医学发展史上出现三次卫生革命,第一次卫生革命是以 为主要防治对象;第二次卫生革命是以 为主攻目标;第三次卫生革命以 为目标。
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举一反三
【简答题】This is the newest machine which we have in our workshop.
【多选题】下列关于毒菌毒素叙述正确的是?
A.
有可能做为治疗抑郁症的药物
B.
可能会是毒杀昆虫的“杀虫剂”
C.
可能作为提取抗菌、抗病毒药物的材料
D.
除了会使人中毒外没有什么用处
【单选题】What is the name of this machine ?
A.
ironing machine
B.
sewing machine
C.
overlocker
D.
loudspeaker
【单选题】下列关于毒菌毒素叙述不正确的是?
A.
有可能做为治疗抑郁症的药物
B.
可能会是毒杀昆虫的“杀虫剂”
C.
可能作为提取抗菌、抗病毒药物的材料
D.
除了会使人中毒外没有什么用处
【单选题】This is the machine tomorrow.
A.
tested
B.
to be tested
C.
will be tested
D.
testing
【简答题】This is the first precision machine tool which they made themselves.
【单选题】This is the washing machine ___we have had so much trouble.
A.
at which
B.
with which
C.
of which
D.
in which
【单选题】What is the name of this machine ?
A.
industrial sewing machine
B.
ironing machine
C.
overlocker
D.
cutting machine
【单选题】This is the machine ____ tomorrow .
A.
tested
B.
testing
C.
will be tested
D.
to be tested
【单选题】This is the machine tomorrow.
A.
to be tested
B.
will be tested
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