51系列单片机上电复位的信号是哪一种？

PartIVTranslation(10points,2pointseach)Directions：ThispartistotestyourabilitytotranslateEnglishintoChinese.Aftereachofthesentences,youwillreadfourchoicesofsuggestedtranslationsmarkedA,B,CandD.PleasechoosethebesttranslationandmarkthecorrespondingletterontheAnswerSheetwithasinglelinethroughthecenter.51.Irealizedthatthebestwaytothanksomeoneforhishelpwastoreachouttohelpotherpeople.

51.在UFO报表中，行高、列宽的单位为厘米。

Weeachhaveamemory.That’swhywecanstillrememberthingsafteralongtime.Somepeoplehaveverygoodmemoriesandtheycaneasilylearnmanythingsbyheart,butsomepeoplecanonlyrememberthingswhentheysayordothemagainandagain.Manyofthegreatmenoftheworldhavegotsurprisingmemories.Agoodmemoryisagreathelpinlearningalanguage.Everybodylearnshismotherlanguagewhenheisasmallchild.Hehearsthesounds,remembersthemandthenhelearnsspeak.Somechildrenarelivingwiththeirparentsinforeigncountries.Theycanlearntwolanguagesaseasilyasonebecausetheyhear,rememberandspeaktwolanguageseveryday.Inschoolitisnotsoeasytolearnaforeignlanguagebecausethepupilshavesolittletimeforit,andtheyarebusywithothersubjects,too.Butyourmemorywillbecomebetterandbetterwhenyoudomoreandmoreexercises.51.Somepeoplecaneasilylearnmanythingsbyheartbecause_________.

2、（题干见51题）

3、（题干见51题）

4、（题干见51题）

5、（题干见51题）

6、（题干见51题）

7、（题干见51题）

8、（题干见51题）

下列理学诸先生,生活于理学形成阶段的是

从中华人民共和国成立到社会主义改造基本完成,是我国从新民主主义到社会主义的过渡时期,这一时期,个体经济向社会主义集体经济过渡的形式是（）。

本国货币贬值能够立即改善本国国际收支。

关于平行思维的描述，哪一项是不准确的？