搜题请搜索小程序“爱下问搜题”
问题 选择题

下列化学方程式书写正确的是（　　）

A．波尔多液的配制：CuSO4+Ca（OH）2═Cu（OH）2+CaSO4

B．铁屑溶于稀硫酸中：2Fe+3H2SO4═Fe2（SO4）3+3H2↑

C．酒精在空气中燃烧：C2H5OH+3O2

 点燃 
.
 
2CO2+3H2O

D．铜绿受热分Cu2（OH）2CO3═CO2+H2O+CuO

答案

A、氢氧化铜属于沉淀应标上沉淀符号，故A错；

B、铁与硫酸反应生成硫酸亚铁和氢气，不是硫酸铁，故B错；

C、酒精燃烧的产物是二氧化碳和水，反应物是乙醇和氧气，已经配平，条件是点燃，故C正确；

D、铜绿受热分解反应的条件是加热，没有注明，生成物中的二氧化碳需要标上上升符号，故D错．

故选C．

多项选择题

下列关于产业政策概念叙述正确的是( )。

A．它是政府对资源在各产业间配置过程的干预手段与策略

B．它是政府调节市场机制缺陷和不足从而促进经济的手段和策略

C．它是产业组织政策的有机组成部分，是政府为了实现产业内部、企业之间资源合理配置而制定的政策组合

D．产业政策目标包括两个基本方面：充分利用规模组织和充分发挥竞争活力

E．产业政策一般包括：产业结构政策、产业组织政策、产业技术政策、产业布局政策等
查看答案
填空题

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.
查看答案