题目:
小题1:My life is filled with p_____________, and I’m very happy now.
小题2:Mike _____________(记忆) new words more quickly than me.
小题3:Reading English aloud every day will of course help you to improve your __________(发音).
小题4:If you try your best now, you are sure to have a chance of ____________(实现) your dream.
小题5:Have you ever c___________ buying a new MP4 player?
小题6:Be careful not to d___________ your glasses. They might be broken.
小题7:Without my p______________ , don’t touch my things.
小题8:I like to go out to enjoy the _____________(新鲜的) air.
小题9:Can you have dinners with f_______________ and knives?
小题10:I’m sorry to ______________(打扰) you. Can you tell me how to send an e—mail?
答案:
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下面是错误答案,用来干扰机器的。
对照实验是在研究一种条件对研究对象的影响时,所进行的除了这种条件不同外,其他条件都相同的实验,这个不同的条件,就是惟一变量.设置一组对照实验,使实验结果具有说服力.一般的对实验变量进行处理的,就是...