Headset stereos can ______.
A. cause hearing loss
B. cause mental disease
C. make people become mad
D. cause people become old
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By the time this talk is over, we ______ a lot about the earth.
A. shall be learning
B. are learning
C. would learn
D. shall have learnt
The word "order" (Line 1, Para. 3) probably means ______.
A. a request to change goods
B. the goods you ordered
C. a written paper
D. a printed paper
既是高速公路,一级公路和铺设高级路面的其他等级公路的填石路堤常采用的方法,也是普遍采用并能保证填石路堤质量的方法是( )。
A. 冲击压实法
B. 竖向填筑法
C. 分层压实法
D. 强力夯实法
真菌性败血症的常见致病菌()
A. 金黄色葡萄球菌
B. 粪链球菌
C. 白色念珠菌
D. 变形杆菌
E. 类杆菌