Question

 课文原句

81. 如果没有发现透视法，就没有人能画出如此逼真的画。

If the ______ of ____________ had not been discovered, no one _____ have been able to paint such _________ pictures.

82.这些童谣能使小孩子们快乐，因为它们押韵、节奏感强，而且重复多遍。

They ________ small children because they ________, have strong______ and a lot of ________     .

83.只有当这种病毒发展成艾滋病时，人才会显出病态。

It is only _______ the disease has _________ to _______ that a person begins to look _______.

84.全球变暖是人为的，而不是随意的自然现象。

It is human activity that has _______ this global warming _______than a ________ but natural ____________.

85.收集和评估这些信息之后，我就帮助其他科学家一起预测熔岩接着将往何处流，流速是多少。

_________  __________ and ___________ the information, I help other scientists to predict where lava from the ______________ will flow next and how fast.

Answer 1

rules, perspective, would, realistic; delight, rhyme, rhythm, repetition ; when, progressed, AIDS, sick; caused, rather, random, phenomenon;  Having , collected, evaluated, volcano