Monkeys in the zoo started to show the flu _____ last Monday and altogether twen
题型：不详难度：来源：
Monkeys in the zoo started to show the flu _____ last Monday and altogether twenty have died up to now．| A．symbol | B．sign | C．signal | D．symptom |
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答案
| D |
解析
| 词义辨析symbol符号，sign迹象，signal 信号，symptom 症状 动物园里的猴子上周一开始出现流感症状到目前共死了20只。选D |
举一反三
Although we had told them not to keep us waiting, they made no _________ to speed up deliveries.| A．trial | B．attempt | C．action | D．progress |
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We should bear in mind that social development and balance of nature should go in . | A．company | B．sympathy | C．association | D．harmony |
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As a result of the terrible snowstorm, the highway has been closed up, so you have to wait for further . | A．introduction | B．attention | C．notice | D．advice |
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In the present _______, I wouldn’t advise you to sell your house.| A．environment | B．situation | C．state | D．form |
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Mr Smith has a lot of business______. I know by______ that this man cannot be trusted.| A．experience; experience | B．experiences; experience | | C．experience; experiences | D．experiences; experiences |
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