【单选题】【消耗次数:1】
Keep a __________attitude and good things will happen.
negative
positive
post
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相关题目
【单选题】 Televisions enable us to see things happen almost at the exact moment _____.
①  which they are happening
②  they are happening
③  which they happen
④  they have happened
【单选题】 Televisions enable us to see things happen almost at the exact moment _____.
①  which they are happening
②  they are happening
③  which they happen
④  they have happened
【单选题】 Televisions enable us to see things happen almost at the exact moment ____.
①  which they are happening
②  they are happening
③  which they happen
④  they have happened
【单选题】 _______every week for several hours is good to keep healthy.
①  Exercise
②  To exercise
③  Should exercise
【单选题】 Keep your office space looking good, ( ) your desk.
①  particular
②  especial
③  particularly
④  partial
【单选题】 A balanced diet is ______ as a quick and effective way to keep in good health.
①  consider
②  considers
③  considered
④  considering
【单选题】 A well written composition ____ good choice of words and clear organization among other things.
①  calls for
②  calls on
③  calls up
④  calls off
【单选题】 A well written composition _____ good choice of words and clear organization among other things.
①  calls for
②  calls on
③  calls up
④  calls off
【单选题】 In Gloria was tall and slender. the writers attitude is [].
①  positive
②  negative
【单选题】 In Jerry nagged at me to walk the dog, the writers attitude is []
①  positive
②  negative
随机题目
【判断题】 以不同生育期来说,光合产物优先分配到生长中心。
①  正确
②  错误
【判断题】 叶原基、嫩叶和发育中的种子。成熟叶片和根尖不产生生长素。
①  正确
②  错误
【判断题】 在日照充足、稀植、地温高、低夜温、干燥、肥料浓度较低的条件下,叶片光合能力强,赤霉素浓度降低,而细胞分裂素和生长素浓度升高,促进根系生长。
①  正确
②  错误
【判断题】 一般说来,冬性愈强,要求的春化温度愈低,春化的天数也愈长。
①  正确
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【单选题】 根系缺氧时间较长,就形成无氧呼吸,产生和积累较 多的(),根系中毒受伤,吸水更少。
①  多酚
②  乳酸
③  甲醇
④  乙醇
【多选题】 破除休眠的方法有()。
①  赤霉素处理
②  晒种法
③  硫脲来
④  萘乙酸甲酯粉剂
【多选题】 大家公认的植物激素有五类,即生长素类、赤霉素类、细胞分裂素类、乙烯和脱落酸。其中,促进生长发育的是哪三种?
①  生长素类
②  赤霉素类
③  乙烯
④  细胞分裂素类
【判断题】 摘除嫩叶会使根系生长失去物质基础,导致根系早衰。
①  正确
②  错误
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①  正确
②  错误
【判断题】 氮素含量高时,生长素也较多,叶片不易脱落。缺钙的植株的营养器官很容易脱落。
①  正确
②  错误