【单选题】最早通过实验来解释植物的生命现象，使结论来源于对实验数据的分析，这位学者是[ ]

【单选题】叶肉细胞和动物细胞的结构的主要不同是（　　）

【单选题】—Did you go swimming last Sunday?—No．We would have gone ______ nicer.

【简答题】生物对环境的影响是多方面的，如蚯蚓在土壤中生活，能____；绿色植物对环境有__________和__________的作用，这与其____有着密切关系。

【单选题】下列各种现象不属于生物之间合作关系的是[ ]

【简答题】书面表达。 假如你是李华，你暑假期间要去英国某语言学校进行短期学习。以下是英方学校寄给你的课程安排选择表。请你仔细阅读安排表，按要求给校方回复一封信。 Schedule for Summer English Courses English Courses Total Hours of Study and Day-Trip Date Tuition (学费) six-week course 75 ...

【单选题】They did not find _____ to prepare for the worstconditions they might meet. [ ]

【简答题】阅读理解。 Running like the wind, roaring (咆哮) like thunder, tigers have long been feared and respected as a king of the animal world. But last week a report said that there are no more than 30 wild tigers...

【简答题】Last week, my granddaughter started kindergarten,and ,as is conventional, I wished her every success ,But part of me didn’t.I actually wanted her to fail in some ways because I believe that failure ca...

【简答题】生物的尸体经过微生物分解后，可为绿色植物提供二氧化碳、水和无机盐______．