题目

句型转换 1. That is a dictionary. (改为复数形式) _______  __________  __________. 2. Kate’s birthday is on August 21st. (对划线部分提问)    __________  is Kate’s birthday? 3. We play tennis. (改成Let开头的祈使句)   _______  _______ tennis. 4. I like Mr. Miller because he is fun. (对划线部分提问)   _________ _________ you like Mr. Miller?  5. Tom and his classmates play soccer after class. (改为同义句)   He ___________ soccer __________ his classmates.如图X是直流电源。Y槽中c、d为石墨棒,Z槽中e、f是质量相同的铜棒。接通电路后,发现d附近显红色。(1)①电源上b为___极②Z槽中e为___极。③连接Y、Z槽线路中,电子流动的方向是d___e(用“→”或“←”填空)。(2)①写出Y槽中总反应的化学方程式:____。②写出Z槽中e极上反应的电极反应式:___。
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