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用who，whose，which或that完成下列定语从句。（要填全，缺一项不得分）
1．The cartoons ________ I like have lots of jokes．
2．Jamie is a cook ________ ideas are changing school dinners．
3．The writer ________ has written many wonderful characters is David．
★将下列各句的主动语态变被动语态。
4．People have translated his book into more than 50 languages．
→His book ________ ________ ________ into more than 50 languages．
5．Did the children watch the cartoons that Alice drew last Friday?
→Did the children watch the cartoons that ________ ________ by Alice last Friday?
★将下列句子改为同义句。
6．How many people are there in Beijing?
→________ the ________ of Beijing?
7．The fans welcome the singer warmly．
→The singer ________ ________ ________ ________ ________ by his fans．
★主谓一致。选择合适的词完成句子。
8．The police ________ （is／are）searching for the lost man．
9．Five minutes ________ （is／are）not enough to do this exercise．
★用合适的冠词填空。
10．①________ water is too hot．I can’t drink it．②It isn’t easy to run ________ big city well．
查看习题详情和答案>>按照所给汉语意思完成句子，注意语法正确，意思完整，词数不限。
1.他看起来有点沮丧，我们做点什么让他振作起来吧。
He looks kind of ______________, let’s do something to _____________.
2.一般而言，我们会与老师们的意见保持一致的。
_____________, we can ___________________ our teachers.
3.他不管在哪里生活，总是乐于帮助别人。
_______ he lives, he’s always _____________ help ________.
4.我们可以志愿帮助那个无家的孩子摆脱困境。
We can _________________ that homeless kid_______ .
5. 我希望有朝一日我能实现自己的梦想。
I _______________________________________________
查看习题详情和答案>>
Did you ____ _____ at the party?
2.He is old enough to look after himself.
He is old enough to ____ ____ ____ himself.
3.He will work there no more.
He ____ work there ____ ____.
4.My cousin made me a beautiful dress.
My cousin____ a beautiful dress___ me.
5.We don't sell trees here.
We sell ___ trees here.
一、实验原理：
萘乙酸与生长素一样，对植物生长的调节作用具有___________________________性，即
_______________________________________________________________。（2分）
二、实验过程与方法：
（1）取材；取山茶花植株生长良好的半木质枝条，剪成5—7cm，每段插条芽数相同。
（2）实验：①将插条分别用不同的方法处理如图1；②将处理过的插条下端浸在清水中，注意保持温度（25～30℃）。
（3）记录：小组分工，根据实验数据，建立数学模型如图2。
三、结果分析与评价：
（1）从图2中，可得出的结论是_________________________________________ 。
（2）插条若没有生出不定根，其原因最可能是____________________________ 。
（3）温度、处理时间等要一致，其原因是_________________________________ 。
（4）每组都选取10根插条，其目的是____________________________________ 。 查看习题详情和答案>>