题目

下列化合物中，阳离子半径与阴离子半径比值最小的是(    ) A.NaF                   B.NaCl                  C.MgI2                                   D.KBr 答案：C 看图，选词填空。（注意大小写）always   usually  sometimes   never1. Jenny _____eats a sandwich for lunch.2. _____she eats soup.3. Steven _____wears pants.4. Steven _____wears dresses.