单项选择题

If the drowning boy has no pulse, _______

A．pressing his chin upwards is enough to get him breathing
B．blowing air into his mouth is sure to save his life
C．pressing his nostrils together with your fingers can work
D．pressing is the last chance of saving his life

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热门试题

单项选择题

The underlined sentence in the passage means that our libraries__________.

A．should allow kids to read for younger children
B．should get children interested, not bored
C．should open the door while the children are outside
D．will turn on the lights when kids come in, and turn them off when kids go out

单项选择题

The Norwegian government has tried to ______

A．encourage the companies to discover new oil sources
B．prevent oil companies employing people from Northern Norway
C．help the oil companies solve many of their problems
D．keep the oil industry to something near its present size