根据《水文情报预报规范》等有关规定,电网调度机构结合本电网的实际情况,定期对本单位和直调水电厂水文预报的()等进行分析、评价。
A.精度
B.范围
C.完整性
D.效率
参考答案:A
将括号内的单词变化一个字母成为一个新单词,然后填入句中,使句意完整。
1. I don't __________ (thank) you are right.
2. Santa is __________ (sunny).
3. Jenny and Li Ming are at __________ (horse) now.
4. Please __________ (but) the star on the tree.
5. __________ (six) down, please.
6. Would you __________ (bike)a new sweater?
7. I __________ (went) to skate on the ice.
8. __________ (rice) to meet you.
9. The English __________ (look) is mine.
10. The Chinese lantern is __________ (nine).
足月孕期胎盘的厚度一般为()
A.1~2cm
B.2~3cm
C.2.5~3.5cm
D.4~5cm
E.5~6cm