【单选题】The author implies that there is cause for concern if consumers with limited incomes buy organic goods instead of conventionally grown foods because
A.
organic foods can he more expensive but are often no better than conventionally grown foods
B.
many organic foods are actually less nutritious than similar conventionally grown foods
C.
conventionally grown foods are more readily available than organic foods
D.
too many farmers will stop using conventional methods to grow food crops
【单选题】The author implies that there is cause for concern if consumers with limited incomes buy organic foods instead of conventionally grown foods because ______.
A.
organic foods can be more expensive but are often no better than conventionally grown foods
B.
many organic foods are actually less nutritious than similar conventionally grown foods
C.
conventionally grown foods are more readily available than organic foods
D.
too many farmers will stop using conventional methods to grow food crops
【单选题】It is said that our body _______ 206 bones; if one of _____ is broken, it will cause inconvenience of some kind. [ ]
【多选题】火场上必须正确使用通信器材,灵活选择联络方式,确保火场通信畅通,以下说法正确的是
A.
使用通信导向绳时,绳索释放不宜太长,拐角转弯不能过多。
C.
在地下建筑等信号盲区或噪音较大的现场,必须使用泄漏式电缆、无线图传及中继台等有效的通信器材。
D.
当所有通信设施失效时,应充分利用声、光和手势等方式建立起畅通的通信渠道。
【单选题】《中国药典》规定,“澄清”是指供试品溶液的澄清度相当于浊度标准液( )。
【单选题】加快推进社会住房和供应体系建设,构理()的住房供应体系。
A.
政府为主提供基本保障、以市场为主满足多层次需求
B.
以市场为主提供基本保阻、以政府为主满足多层次需求
C.
以社会慈善为主提供基本保障、以市场为主满足多层次需求
D.
以市场为主提供基本保障、以社会慈善为主满足多层次需求