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【单选题】
应急救援预案在应急救援中的重要作用表现在______。A.
明确了应急救援的范围和体系
B.
有利于做出及时的应急响应，完全消除事故后果的危害
C.
成为各类事故的应急基础
D.
当发生超过应急能力的重大事故时，便于与下级应急部门协调
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举一反三
【单选题】Why does Mr. White make the call?
A.
Because he wants to make an appointment with Mr. Johnson.
B.
Because he wants to put off the appointment with Mr. Johnson.
C.
Because he wants to confirm the appointment with Mr. Johnson.
D.
Because he wants to cancel the appointment with Mr. Johnson.
【简答题】What was the reason why Mr. Bumbridge made such a foolish mistake at the airport?（ ）
【单选题】Why would Mr. Walter Roberts's company like to help Mr. Henry Norris?
A.
Because they are relatives.
B.
Because Mr. Walter Roberts is kind-hearted.
C.
Because Mr. Henry Norris provides a higher interest.
D.
Because they have a very trustful business relationship.
【简答题】血液是由________和_________组成的。
【单选题】Why couldn't Mr. Gore win the presidential election after he outpolled Mr. Bush in the popular vote?
A.
Because the American president is decided by the supreme court's decision.
B.
Because people can't directly elect their president.
C.
Because the American president is elected by a slate of presidential electors.
D.
Because the people of each state support Mr. Bush.
【简答题】根据人体血液循环示意图，回答下列问题： (1)血液由[⑤]____压人肺动脉，流经肺部毛细血管网，由②流回③，这条血液循环途径称为_____循环。 (2)血液流经[①]_______的毛细血管时进行气体交换，①内的________进入毛细血管，血液由静脉血变成动脉血。 (3)血液由B流经A，在组织细胞处发生了物质和气体交换，血液变成了含氧较少、颜色暗红的______血。
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