听对话，回答1-3题。 1. Electricity is very &

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听对话，回答1-3题。

1. Electricity is very to us according to what the man said.

[ ]

A. dangerous
B. important
C. unusual

2. We can produce electricity from coal, , wind, sun, water,even animal waste and so on.

[ ]

A. nuclear energy
B. oil
C. gas

3. The woman will study hard much more electricity.

[ ]

A. to reduce
B. to produce
C. to find more new ways to produce

1-3: BAC

听对话，回答1-3题。 1. Electricity is very & 听下面一段对话，回答第1-3题。 1. When is Halloween? [ &n 听下面一段对话，回答1-2小题。 1. How is Tim? [ ] 听下面一段对话。回答小题.。 1. The notebook is _____. 听下面一段对话，做第1-3小题。 ( )1. 听下面一段材料，回答第1-3小题 1. What is the probable 听下面一段材料, 回答第1~4题. & 听下面一段对话，回答第1至4题。 1. What is the man doing now? [ 听下面一段独白，回答1-2小题。 1. Susan is _____. [ 听下面一段材料，回答第1至第3题。 1. Where is Miss Smith? [ 听下面一段材料,回答第1至3题。 1. What is Susan Welch? A 听下面一段对话,回答1至3小题. 1. How many trains passes here t