A. Plants‘ reaction to weather could have damaging effects on ecosystem.

B. The increasing speed of flowering is beyond scientists‘ expectation.

C. Climate change leads to the change of food production patterns.

D. Food chains have been seriously damaged because of weather.

58. We can learn from the study published on the Nature website that ______.

A. plants‘ flowering is 8.5 times faster than leafing

B. there are 1,634 plant species on the four continents

C. scientists should improve the design of the experiments

D. the experiments failed to predict how plants react to climate change

59. Scientists pay special attention to the study of plants because _______.

A. they can prove the climate change clearly

B. they are very important in the food chains

‘s temperature?

A. It has risen nearly 0.2℃ since 1979.

C. It is 0.8℃℃ in this century. 第二节 从对话后的选项中选出能填入空白处的最佳选项，并在答题卡上将

（共5小题；每小题2分，满分10分） —

— — Since Saturday night.

— ____ 62

— Yes, I also feel lighthearted.

— Can you think of anything you ate Saturday that might have caused it?

— All I can think of is the fish I had. It didn‘t taste quite right.