A warning signal suddenly appeared on the screen of my computer, ______ the comp
题型：不详难度：来源：
A warning signal suddenly appeared on the screen of my computer, ______ the computer was being attacked by a certain virus.| A．indicated | B．indicating | | C．to indicate | D．having indicated |
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答案
| B |
解析
试题分析：考查非谓语动词。signal和indicate是主谓关系，应该用现在分词表示伴随状况。句意：一个提示信号突然出现在我的电脑屏幕上，暗示电脑被病毒袭击了。故选B。 |
举一反三
IP addresses are the unique sequence of numbers ______ to each computer, websites or other Internet-connected devices. | A．to assign | B．assigning | | C．assigned | D．being assigned |
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When ___ to danger and conflict, men tend to increase blood pressure, ___ nervous and anxious.| A．exposed; felt | B．exposing; feeling | | C．exposing; felt | D．exposed; feeling |
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In Pakistan, marrying without parental approval can mean ____________ from one’s family.| A．being completely cut up | B．to be completely cut off | | C．to be completely cut up | D．being completely cut off |
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The living room is clean and tidy, with a dining table already ______ for a meal to be cooked. | A．having laid | B．laying | C．laid | D．being laid |
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My son has gone abroad. I’m looking forward to him_______.| A．return | B．to return | C．returning | D．returned |
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