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【单选题】
水温20~25°C时,生石灰清塘注水后,轮虫数量出现高峰需要的时间为A.
3~5d
B.
5~7d
C.
7~10d
D.
10~15d
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【单选题】Hainan is a very good island. It’s the second ________ island in China.
A.
largest
B.
large
C.
larger
D.
most large
【简答题】Hainan is a very good island.It's the second ________ island in China. A．largest B．large C．larger D．most large
【单选题】Colin Stuart did all the following except __________ to save the island of Skye.
A.
persuading the islanders to accept his plan
B.
raising a lot of money to build the bridge
C.
going to Norway to see how islands are joined by sea bridges
【简答题】阅读理解。 Hawaii's Big Island Nickname: Hawaii's Island of Adventure Size: 4,028 square miles Population: 148,677.The most heavily populated areas are Hilo on the east side and Kailua-Kona on the west. Te...
【简答题】rs.close语句的作用是(10)。(10)A．关闭数据库连接 B．关闭当前网页 C．关闭当前数据集 D．关闭数据提交
【简答题】A．The woman can see the island. B．It's too foggy to see the island now. C．It's clear where the lawn has been raked. D．He doesn't want to see the island.
【单选题】Hainan is a very large island and it’s the second island in China.
A.
large
B.
larger
C.
largest
D.
most large
【简答题】Which letter goes around an island? It's___________.
【简答题】什么是液晶相?它有何特点?
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