问题
填空题
诊断和定位活动性消化道出血必须符合3点：示踪剂进入肠腔内、（）、（）。
答案
参考答案：放射性随时间增高；放射性在消化管道内的位置恒定
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诊断和定位活动性消化道出血必须符合3点：示踪剂进入肠腔内、（）、（）。
参考答案：放射性随时间增高；放射性在消化管道内的位置恒定
| 用方框中所给单词的适当形式填空，使短文通顺、正确、连贯（每个单词限用一次）。 | |
Parents always think their babies are very special. They want others to 1 their children. For this reason, they sometimes give their children unusual 2 . They may choose names such as Chelma, Ukiah, Brianna, or Elvira. There are some advantages to this practice. A child who is 3 an uncommon name may feel special from childhood. 4 , sometimes we remember people with unusual names 5 than we remember people with ordinary names. 6 , unusual names can cause problems. They can be hard for teachers and friends to pronounce. They can also be hard to spell, 7 computers may automatically (自动地) change them. For example, Jule may become July. Some people may have a bad impression on an unusual name 8 they even meet the person. 9 of all, other children sometimes don't like kids with uncommon names. The message for parents is, "Think 10 before you give your child an unusual name." |