皮皮学，免费搜题
登录
搜题
【多选题】
变态叶的类型有()A.
苞叶
B.
鳞叶
C.
叶卷须
D.
捕虫叶
E.
叶刺
拍照语音搜题，微信中搜索"皮皮学"使用
参考答案：
参考解析：
知识点：
皮皮学刷刷变学霸
举一反三
【简答题】光电式传感器是用[填空(1)]做敏感元件、将[填空(2)]信号转换为[填空(3)]信号的装置。按其输出信号的形式，可以分为[填空(4)]式、[填空(5)]式、开关量输出式三种。
【简答题】Most students feel it difficult to remember new words when they begin to study English. Now I will give you some advice. 1. Do not waste time in learning a list of English words. It is the hardest way...
【单选题】关于上证50指数，下列叙述错误的是( )。
A.
上证50指数采用派许加权方法，按照样本股的调整股本数为权数进行加权计算
B.
上证50指数根据流通市值、成交金额，对股票进行综合排名，从上证综合指数中选择排名前50位的股票组成样本
C.
指数以2003年12月31日为基日，以该日50只成分股的调整市值为基期，基数为 1000点
D.
当样本股名单发生变化、样本股的股本结构发生变化、或股价出现非交易因素的变动时，采用“除数修正法”修正原固定除数，以维护指数的连续性
【简答题】Ex. 6 Rewrite the following sentences, replacing the underlined words with their synonyms you have learned in this unit. 1. Rebecca was, without question, the most skilled technician on the team. 2. ...
【简答题】Passage 18 "Loving a child is a circular business. The more you give, the more you get, the more you want to give." Penelope Leachwon said. What she said 1) _____ to be true of my blended family. I wa...
【简答题】Questions 1-10 Complete the statements below. Use NO MORE THAN THREE WORDS for each answer. 1. Seminars are attended by __________ staff and senor students. 2. The seminar’s focus is broader and tends...
【简答题】光电式传感器是利用光敏元件将 ( ) 信号转换为( ) 信号的装置。
【简答题】Questions 1-5 Complete the statements below. Write NO MORE THAN THREE WORDS in each space provided. 1. Before you move you must give Electricity Board __________ as early as possible to make sure you...
【简答题】The more you give, .(receive)
相关题目：