有效积温
参考答案:
指植物机能得以进行的生物学零度以上的日平均温度总和。
ii. 根据句意和空缺处所给首字母写单词。
小题1:I have m________hobbies, such as swimming, rowing and hiking.
小题2:He said he would never f_________ the trip to Mount Fanjin.
小题3:We should do more exercise to keep h ________.
小题4:Tongren have developed r into a modern city in the recent years.
小题5:My little sister is so young that she can’t look after h________.
某幼儿园发现一麻疹患儿。为了控制麻疹进一步蔓延,不应采取的措施是()。
A.暂不接受其他易感儿入托
B.整个幼儿园中小儿每天口服利巴韦林 (三氮唑核苷)
C.易感者接触麻疹后应隔离检疫3周
D.体弱多病的易感儿应立即肌内注射丙种球蛋白
E.体健易感儿接触后2天内应接种麻疹疫苗