Maple sugar is made the sap (树液)of maple trees.A. in B. of C. from D. by 相关知识点: 试题来源: 解析 【句意提示】枫糖是由枫树的汁液制成的。【相关语法点提示】be made of和be made from均表示“由⋅⋅⋅⋅⋅⋅制成”,前者看得出原材料,后者看不出原材料。【答案】C....
百度试题 结果1 题目28. Maple sugar is made C the sap(树液) of maple trees. A. in B. of C. from D. by 相关知识点: 试题来源: 解析 答案见上枫糖是由枫树的汁液制成的。 反馈 收藏
In the present study, a puncture method has been used to record sap availability in six north European tree species during the spring. Attempts were made to withdraw sap from the trees at points 0.5 m, 1.3 m and 3.0 m above ground with “phloem needles” (constructed according to Hammel ...
This 'cohesion theory' postulates that negative absolute pressure (liquid tension) must be present in trees more than 34 ft. high, or in any plant where the combined effects of hydrostatic head and flow resistance produce a pressure drop of more than one atmosphere. Investigators have had ...
Maple sugar is made from the sap of maple trees. 枫糖是由枫树的树液制成的. 来自《简明英汉词典》 22. It was the beginning of the spring and the sap was rising in the boys. 正当初春季节,勃勃的生气在小伙子们身上奔涌. 来自期刊摘选 23. Develop and support SAP process knowledge and capability...
百度试题 结果1 题目Maple syrup ___ made from the sap of maple trees. A. is B. are C. was D. were 相关知识点: 试题来源: 解析 A。解析:Maple syrup 是不可数名词,且是一般现在时的被动语态,用 is。反馈 收藏
Most paper is made from woodfibre, a natural renewable material sourced from trees. That paper can be made with two types of fibres. Fresh fibre, also known as virgin fibre, is made from wood harvested for the first time, while recycled fibre, true to its name, is reused fresh fibre. ...
百度试题 结果1 题目 28. Mapl e sugar is made e C _ th e sap(树液) of mapl e trees. A. in B. of C. from D. by 相关知识点: 试题来源: 解析 答案见上 反馈 收藏
the liquid in trees, plantsetc.The sap flowed out when he broke the stem of the flower.savia sap2 (sӕp)–past tense, past participlesapped–verb to weaken or destroy (a person's strength, confidence, courageetc).The disease slowly sapped his strength.debilitr,minar,agotar ...
My Dear Sir, In a Memoir which I had the honour to present to you two years ago, I related some experiments on trees, from which I inferred, that their sap, having been absorbed by the bark of the root, is carried up by the alburnum or white wood, of the root, the trunk, and...