举一反三
- 指出句中主语： To do today's homework without the teacher's help is very difficult.
- 指出下列句中主语的中心词 ① The teacher with two of his students is walking into the classroom.[input=type:blank,size:4][/input]
- 标明下列句子中划线单词的成份To do today’s homework without the teacher’s helpis very difficult.To do today's homework without the teacher's help
- 指出下列句中主语的中心词 ② There is an old man coming here。[input=type:blank,size:4][/input]
- 指出下列句中主语的中心词 ③ The useful dictionary was given by my mother last year。[input=type:blank,size:4][/input]
内容
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1. 指出下列句中主语的中心词(中心词指去掉名词中所有冠词，如a，an，the或其他定语和修饰词以后剩下的那个单词，如： The teacher with two of his students is walking into the classroom. 主语的中心词：teatcher） ① There is an old man coming here. （1）____________[br][/br] ② The useful dictionary was given by my mother last year.（2）____________ ③ To do today's homework without the teacher's help is very difficult.（3）____________
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已知正弦交流电压，则它的最大值是[input=type:blank,size:4][/input]V，有效值是[input=type:blank,size:4][/input]V，频率为[input=type:blank,size:4][/input]Hz，周期是[input=type:blank,size:4][/input]s，角频率是[input=type:blank,size:4][/input]rad/s，相位为314t-60˚，初相是[input=type:blank,size:4][/input]度，合[input=type:blank,size:4][/input]弧度。
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He’s a good teacher,but inclined to be a bit [input=type:blank,size:4][/input]with slow learners.( patient, impatient)
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It was only decided yesterday. It’s all been very[input=type:blank,size:4][/input]. (sudden, suddenly)
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请写出下列句中划线单词的复数形式填入空中。“All the and and but’s here should give you a clue,” said the teacher, “that it’s a run-on sentence.”[input=type:blank,size:4][/input]