此句型的否定形式既可否定seem,也可在后面的主语前加不定代词no。上面的例句可以说There seems (to be) no sign of life on Mars.也可以说成:There doesn't seem (to be) any sign of life on Mars.句意为:火星上面似乎没有什么生命迹象。因此C项正确。
【题目】T here ___ sign of life on Mars. A. seem to be B. seems not to be C. seems to be
此句型的否定形式既可否定seem,也可在后面的主语前加不定代词no。上面的例句可以说There seems (to be) no sign of life on Mars. 也可以说成:There doesn't seem (to be) any sign of life on Mars. 句意为:火星上面似乎没有什么生命迹象。因此C项正确。
Sign of Life on Mars; Scottish Tests Show Presence of Water When Meteorite Was First FormedDaily Mail (London)
sign为普通用语，指一切象征性的符号、信号、告示、手势等，也指征兆、迹象等。如： There are no signs of life on Mars.（火星上没有生命的迹象。） Deaf people talk with signs。（聋子用手势表示意思。） signal 指为某一目的而发出的信号。如： He blew his whistle as a signal for the game to ...
A rover scanning the surface of Mars for evidence of life might want to check for rocks that look like pasta, researchers report in the journal Astrobiology.
CHICAGO, May 29 (Xinhua) -- Rocks that look like pasta on Mars may be the most obvious sign of life, according to a study released by the University of Illinois on Wednesday. The researchers analyzed the microbial genomes, evaluated which genes were being actively translated into proteins and...
sign具有抽象意义表示征兆迹象eglookforsignsforlifeonmars火星上寻找生命的迹象结果一 题目 sign和signal的区别究竟是什么啊?The new tough laws are being interpreted as a ___ of the government's determination to work out the problems.(A)sign(B)signal(C)symbol(D)signature为什么答案是A 不是B呢?B ...
NASA's Perseverance rover discovered a rock that may hold the proof that microbial life once existed on Mars. Over the years, NASA rovers have investigated countless rocks on Mars. In doing so, they have slowly built up a ...
Mars is not assertive here, and this can soften the intense energy of the planet. You are the type to think about others’ feelings before pressing forward. You need time to work through your emotions, and setting firm boundaries with others can help you lead a more productive life....