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【单选题】
Before we can decide where to buy our materials, we require as much information as we can get on the suppliers.
A.
我们需要从各供应商处得到足够的信息，之后才能决定从何处购买材料。
B.
在决定从何处购买材料之前，我们需要各供应商给我们尽可能多的信息。
C.
我们可以先决定在哪里购买材料，然后再从卖方那里找出所有的相关信息。
D.
在决定从何处购买材料之前，我们需要收集尽可能多的关于各供应商的信息。
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参考答案：
参考解析：
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【单选题】Beads were probably the first durable ornaments humans possessed, and the intimate relationship they had with their owners is reflected in the fact that beads are among the most common items found in ...
A.
shape
B.
color
C.
material
D.
odor
【单选题】Effects of Exercise on Elderly Diabetics (糖尿病人) Most older people with. so-called type 2 diabetes (糖尿病) could stop taking insulin (胰岛素) if they would do brisk (轻快的) exercise for 30 minutes just three ...
A.
the necessity of watching their diet.
B.
the significance of regular exercise.
C.
the need to control their weight.
D.
the consequences of taking too much insulin,
【单选题】Effects of Exercise on Elderly Diabetics (糖尿病人) Most older people with. so-called type 2 diabetes (糖尿病) could stop taking insulin (胰岛素) if they would do brisk (轻快的) exercise for 30 minutes just three ...
A.
It can help the body make better use of insulin.
B.
It can worsen their symptoms.
C.
It can help them to eat more.
D.
It can cure them of the disease.