What do we find after the development of the laser in the 1960s? [br] The reason

游客2025-07-27 15

问题 What do we find after the development of the laser in the 1960s? [br] The reason why the laser beam is very strong is that

选项 A、it is artificially illuminated
B、it is made up of a concentrated beam of light
C、it sends out heat in all directions
D、its heat is increased by the heat of the sun

答案 B

解析细节题。题干的意思是“为什么激光束的能量比较强?”根据原文第二段最后一句可知“能量被集中到一起而变得强大。”故答案为B。

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What do we find after the development of the laser in the 1960s? [br] The reason

Whatisconsideredmoreimportantinthedevelopmentofthehuman?[br]Whichof

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WhichofthefollowingisNOTthereasonfortheirgoingtocollege?A、Togetmor

Whatdowefindafterthedevelopmentofthelaserinthe1960s?[br]Thereason

What’sthemainreasonthemandoesn’tlikeplays?A、Becausetheyareexpensive.

Laurahadagoodreason______toschoolyesterday.A、fornotgoingB、tonotgoC

Thethiefmighthaveleftthemoneyuntouchedforthesimplereason______hedi

Afiremandiscoveredthe______ofthefire.A、truthB、reasonC、causeD、factC本题考查词

Whichisareasonforchildren’sweightgaininthesummer?[br][originaltext

Whichisareasonforchildren’sweightgaininthesummer?[br][originaltext

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HavingKidsMakesYouHappy?A)WhenIwasgrowingup,ourfo

用力矩分配法分析图示结构，先锁住结点B，然后再放松，则传递到C端的力矩为：A.

跨水域桥梁的调治构筑物应结合（）仔细识读。A.平面、立面图 B.平面、布置图

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