胎儿窘迫的主要表现为_____________、_____________、_____________。
参考答案:胎心音改变;胎动异常;羊水胎粪污染
学校举行三年级同学讲故事比赛,参加讲故事比赛的男、女生共88人,其中男生人数比女生的2倍还多4人.参加讲故事比赛的男、女生各有多少人?
WebSQL is a SQL-like (71) language for extracting information from the web. Its capabilities for performing navigation of web (72) make it a useful tool for automating several web-related tasks that require the systematic processing of either all the links in a(73) , all the pages that can be reached from a given URL through (74) that match a pattern, or a combination of both. WebSQL also provides transparent access to index servers that can be queried via the Common (75) Interface.
(71)处填()。
A.query
B.transaction
C.communication
D.programming