百度试题 结果1 题目34. What does the underlined word "nucleus" mean in paragraph 4 A. Core. B. Result. C. Aim. D. Content. 相关知识点: 试题来源: 解析 答案见上 反馈 收藏
That means the nucleus of an atom is effectively a big clump of positive charge. An electron is tiny compared to a proton, but it has exactly the same amount of charge. In fact, electrons have an opposite charge to protons (a charge of −1 or −0.00000000000000000016021892 C, to be ...
well, unfortunately not. science has known for a long time that atoms mainly consist of empty space with electrons spinning around a central nucleus of protons and neutrons. and science has known for somewhat less time that these particles, which were once thought to be fundamental, are ...
We’ve all heard it before: “Eat your carrots, they’re good for your eyes!” Granted, in most cases, our parents told us this at age five or six and we adamantly refused to eat whatever carrot-containing meal a parent had made. But their advice wasn’t just empty ...
f. To use (something) as a means of safety or refuge: take shelter from the storm. g. To choose and then adopt (a particular route or direction) while on foot or while operating a vehicle: Take a right at the next corner. I downshifted to take the corner. 7. a. To undertake,...
≈ means "approximately equal to" The nucleus of an atom: Each atom has anucleusat approximately the centre of its volume consisting of the two types of particles called protons and neutrons. Protons and neutrons are known collectively asnucleons. ...
According to Chomsky, language is not a form of behaviour, it is an intricate system and a large part of language acquisition is the learning of this system. 【答案】rule-based 【解析】乔姆斯基认为,语言并不是一种行为,而是一套精密的以规则为基础的系统,语言习得主要是学习这一系统。 The theory...
The central part of a fruit, containing the kernels or seeds. The core of an apple or quince Base (Baseball) Any one of the four corners of an infield, marked by a bag or plate, that must be touched by a runner before a run can be scored. Core The heart or inner part of a phy...
years. These polar regions are each the size of Asia, containing enormous amounts of cold, dense air that is held in check by the jet stream. However, the specific physical mechanism within these regions that responds to insolation changes over extended periods to cause ice ages...
The Univac 1107 computer had a small register file, containing a limited number of alternate sets of registers, made from thin-film memory; this comprised 128 words of 36 bits. Several computers made by Univac for military applications had larger thin-film memories. ...