有多种繁殖方式的微生物是
A．细菌B．真菌C．病毒D．支原体E．衣原体
参考答案：B
解析：真菌能进行有性生殖和(或)无性生殖。
下列地区中，由于地壳水平运动形成的是[ ]
A、华北平原
B、黄土高原
C、喜马拉雅山
D、四川盆地
Pupils often want to sit next to their particular friend and many classroom activities involve moving about, but even relatively small alterations can make ______ to the visual comfort of pupils with sight defects.
A. a difference B. an interference C. a modification D. an impact
