做好企业技术业务培训工作应（）。
A、建立职工教育机构
B、组织全员脱产学习
C、围绕政治学习
D、避免内部竞争
参考答案：A
—Did you find the small village where you once worked?
—Yes, without any difficulty, for it has ________ changed over years. [ ]
A. hardly
B. greatly
C. clearly
为防止种子混杂，翻晒两个以上品种时，至少有（）间隔距离，并有隔离设置。
A.1m
B.2m
C.3m
D.5m
