单选题根据下面资料，回答下列各题。Scientists have long tried to be able to know more about floods.So far， the best that scientists can do is to recognize the conditions for flooding. Although deep snow alone seldom cause
单选题（ ）
单选题通读下面的短文，掌握其大意。然后，从每小题的四个选择项中选出可填入相应空白处的最佳选项。Over the summer, my family took a divip to Iceland to see the natural beauty of it.Little did I21 I would wake up one morning to have my eyes swelled up（肿胀
单选题阅读下列短文，然后根据短文的内容从每小题的四个选择项中选出最佳的一项。C Many schools have their art programs removed in an effort to improve test scores and save money.However, some researchers believe that this is not correct.Student
单选题（ ）
单选题根据下面资料，回答问题。A world like no other—perhaps this is the best way to describe the world of the rainforest. No rainforest is the same—yet most rainforests can be found in the small land area 22.5 degrees
单选题根据下面资料，回答21-35题。Mrs.McTavish looked out."It's a lovely day.Would you like to go for a walk in the park？"Her children 21 with excitement. "Before we go， you need to follow some rules.Everyone must 22 h
单选题 A good teacher must be_________too stricttoo weak.
单选题根据下面资料，回答21-35题。In the past， I always thought that being a teacher was an easy job. But I changed my（21）when I became a part-time teacher. About four years ago， Richard asked me（22）I could help teach
单选题请选出下面划线部分读音不同的选项
单选题根据下面资料，回答问题。WouldYouMarrytheSamePersonAgain？Whichcountryhasthelowestpercentageofhappycouples？
单选题根据下面资料，回答21-35题。In the past， I always thought that being a teacher was an easy job. But I changed my（21）when I became a part-time teacher. About four years ago， Richard asked me（22）I could help teach
单选题阅读下列短文，然后根据短文的内容从每小题的四个选择项中选出最佳的一项。B Maria Mitchell（1818-1889）,the first woman asdivonomer（天文学家）in the United was born in Nantucket, Massachusetts.Her parents valued education and insisted on giving
单选题根据下面资料，回答问题。Some farmers in California are having a hard time picking their crops.There are not enough workers to help them with the harvest. One farmer used to grow peaches （桃子）， but will soon grow a
单选题通读下面的短文，掌握其大意。然后，从每小题的四个选择项中选出可填入相应空白处的最佳选项。Over the summer, my family took a divip to Iceland to see the natural beauty of it.Little did I21 I would wake up one morning to have my eyes swelled up（肿胀
单选题阅读下列短文，然后根据短文的内容从每小题的四个选择项中选出最佳的一项。B Maria Mitchell（1818-1889）,the first woman asdivonomer（天文学家）in the United was born in Nantucket, Massachusetts.Her parents valued education and insisted on giving
单选题 请选出下面划线部分读音不同的选项
单选题通读下面的短文，掌握其大意。然后，从每小题的四个选择项中选出可填入相应空白处的最佳选项。Over the summer, my family took a divip to Iceland to see the natural beauty of it.Little did I21 I would wake up one morning to have my eyes swelled up（肿胀
单选题请选出下面划线部分读音不同的选项
单选题通读下面的短文，掌握其大意。然后，从每小题的四个选择项中选出可填入相应空白处的最佳选项。Over the summer, my family took a divip to Iceland to see the natural beauty of it.Little did I21 I would wake up one morning to have my eyes swelled up（肿胀