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根据《水质氰化物的测定第一部分总氰化物的测定》（GB／T7486—1987），样品采集后，如果不能及时测定，必须将样品存放在约（）℃的暗处，并在采样后（）h内进行样品分析。

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参考答案：4；24

单项选择题

查询订购单号首字符是“P”的订单信息，应该使用命令

A．SELECT*FROM订单WHERE HEAD(订购单号，1)=“P”

B．SELECT*FROM订单WHERE LEFT(订购单号，1)=“P”

C．SELECT*FROM订单WHERE “P”$订购单号

D．SELECT*FROM订单WHERE RIGHT(订购单号，1)=“P”
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Turkey’s Bodrum peninsula is different. The tourist boom in this part of the world (1) turned some small villages into resorts yet left neighbouring beaches undisturbed, making it quite (2) southern France or the Spanish Coasts where few stretches of coastline are undevelopeD．
The (3) for this happy set of circumstances is simple. For thousands of years, travel here (4) easier by boat than by lanD．So when mass tourism arrived in the (5) 1980s, there was no coast road for ribbon development to follow. So the peninsula, just (6) hour from Bodrum airport, has not become one long littoral of resort.
The building (7) new hotels has mainly been confined to places easily reached by then relatively (8) roads. Such ease of access has made Gumbet, near Bodrum, a busy resort, while the little fishing village of Gumusluk, 12 miles further west and only recently reachable by (9) , remains tranquil and undisturbeD．
It’s worth thinking carefully about location when planning a family (10) on the peninsulA．Choose a place that is centrally located, preferably out of earshot (11) Bodrum town’s "lively"—which means nosy—nightlife, and you can then use (12) area’s comfortably small scale to your advantage. Today’s new roads mean most places can (13) reached in under an hour by taxi or the ubiquitous dolmus-minibus.
The (14) of facilities at the Tamarisk Beach Hotel near the small village of Ortakent makes (15) a good base. The family-run hotel—rooms and suites are in two-storey buildings (16) by palm trees and flowers in terracotta pots—sits above its own sandy (17) beach, shaded by tamarisk trees and sheltered by nearby islands.
The hotel is (18) child-friendly, too. Children, from infants up to young teenagers, can take part in a (19) of games and activities that include tuition in windsurfing, dinghy (20) catamaran sailing.
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