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【简答题】
已知椭圆 x 2 m + y 2 4 =1 的离心率为 2 2 ，则此椭圆的长轴长为______．
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举一反三
【单选题】下列句子中,没有运用借代的修辞手法的一项是
A.
江山如此多娇，引无数英雄竞折腰。
B.
忽如一夜春风来，千树万树梨花开。
C.
辛苦遭逢起一经，干戈寥落四周星。
D.
沙鸥翔集，锦鳞游泳。
【简答题】Why did Joan feel sorry that evening?
【单选题】Why did participants feel frightened even though there was no shock going with blue squares?
A.
Because they experienced the first-hand fear.
B.
Because they learned fear indirectly.
C.
Because their brains were sensitive to colors.
D.
Because their reacting system were monitored.
【单选题】下列句子中,没有运用借代的修辞手法的一项是
A.
羽扇纶巾，谈笑间，樯橹灰飞烟灭。
B.
想当年，金戈铁马，气吞万里如虎。
C.
乱石穿空，惊涛拍岸，卷起千堆雪。
D.
倩何人唤取，红巾翠袖，揾英雄泪。
【单选题】在jQuery中,移除节点类名为"box"下的div元素的方法是()
A.
$(".box div").remove();
B.
$(".box div").empty();
C.
$("div").innerhtml("");
D.
$("div").innerHTML = "";
【简答题】What’s the author’s viewpoint about the benefit of the Internet? What does he see about its negative side?
【单选题】What’s the meaning of the word accident?
A.
an unforeseen event with a most common negative outcome .
B.
a mishap with a most common negative outcome .
C.
an unfortunate event results from careless or ignorance.
D.
all of the above
【单选题】Why did the young woman come to Pete's shop?
A.
Because she wanted to find out what happened when the girl bought the necklace.
B.
Bemuse she wanted to find out what kind of person the owner of the shop is.
C.
Because she thought the necklace was not made of real turquoise.
D.
Because she thought the necklace might be stolen from the shop.
【单选题】Why did Pete call Laura?
A.
He wanted to invite her to the footbal game.
B.
He lost his ticket to the football game.
C.
He wanted dorections to the football stadium.
D.
He wanted to know whether she could get him a ticket to the football game.
【单选题】What’s the negative consequence brought about by new communication technology?
A.
People lose their intimacy of interaction.
B.
We can use email and instant messaging over the Internet.
C.
We can use voice mail.
D.
Almost every conceivable contact between human beings automated.
相关题目：
【单选题】下列句子中,没有运用借代的修辞手法的一项是
A.
江山如此多娇，引无数英雄竞折腰。
B.
忽如一夜春风来，千树万树梨花开。
C.
辛苦遭逢起一经，干戈寥落四周星。
D.
沙鸥翔集，锦鳞游泳。