(一)the U. S.AustraliaLilyCanadaChinaHuahuaChina(二)1.CCAC (一)填写表格的答案及思路Jim 的国籍:根据对话 “The blond(金发的)boy above(在上面)on the left is Jim. He lives in the U. S.” 可知,Jim 住在美国,所以国籍是 the U. S.。Sally 和 Milley 的国籍:从文中 “The two girls nex...
1. What is the important in eating , accordingto the scientists?A. Eating vegetables and fruits more than meat and cereal.B. Eating raw or cooked food, but not cannedor frozen food.C. Eating various necessary food.2. What problems are facing the world today?A. How to convince governmen...
What is the one gene-one protein hypothesis?What is a Gene?A gene is a sequence of nucleotides that encodes the synthesis of a gene product. The gene is encoded in the DNA of the genome. It is transcribed into a piece of messenger RNA. The messenger RNA directs the synthesis of a ...
You can also learn about the sea environments of Sunny Island. It is hard for you to find anywhere else like that. Whether you’re a beginner or already an expert (专家), Sunny Shores Sea Camp is a great place that brings together campers from all over the world. Wonderful memories and...
What an interesting story it is! what+adj.+n.(可数名词复数/不可数名词)+主语+谓语! 如:What beautiful flowers they are! What fine weather it is! how+adj./adv.+主语+谓语! 如:How fine the weather is! How quickly he runs! 感叹句并不难 ...
此处that定语从句,先行词为food,is believed 表被动,其中由“is”“have”可知为陈述事实,为一般现在时,所以用“is”,故填is believed 。64.【答案】evidence【解析】句意为“历史学家们已经找到四千年前种植西瓜的证据。”根据语法此处应填名词,evidence不可数,故填evidence。65.【答案】varieties【解析】句意为...
Algac arc classified into threc main classcs - Chlorophyceac.Phacophyccac,andRhodophyeeae.These divisions are hased on the fol lowing faclcrs:(a)Major photosynthctic pigments present(b) Form of stored food(c) Cell wall composition(d) Number of flagella and position of insertionClass 1-Chlor...
Determine whether the following base sequence occurs in DNA or RNA: AUGCUAA What is the nucleotide sequence for Gly-His-Lys? a. GGCCACCAA b. GCCCACAAA c. GGCAACAAA d. GGCCACAAA What amino acid sequence is coded for by the following mRNA base ...
It is the safest way to stay at home. 你又能做什么呢?待在家里是最安全的办法了。 你要做什么的正确英文表达 你要做什么用英语怎么说才不会错呢?外国人常用gonna来代替going to,所以打算做什么我们可以说be gonna do或...
DNA (deoxyribonucleic acid) is like a data bank that stores a huge bunch of information about an organism's functioning and development. It has the structure of a double helix and is made of a long chain of nucleotides.Answer and Explanation: We were asked to differentiate a codon from a ...