灰铸铁中按石墨存在的形态不同分()、()、()、()。
参考答案:灰口铸铁、可锻铸铁、球墨铸铁、蠕墨铸铁
孟子的“知言养气”说被后人在文论中广泛运用,形成了中国文论史上以()论文的悠久传统。
填空(每小题1分,满分10分)
A.根据句意、首字母或汉语意思完成单词
小题1:Amy’s handbag is the same as my ____________(妻子).
小题2:When you smile or laugh, your body ____________ (放松).
小题3:How long can I _________ the book? (借)
小题4:Failure ﹝失败﹞is the mother of s .
小题5:We can learn a lot of k from the Internet.
B.用所给词的适当形式填空。
小题6:—______ your father __________(fly) abroad yet?
—Yes, he has been in Singapore for a week.
小题7:Do you mind telling me how ________ (use) this function?
小题8:We should stop the pollution ______________(live) a happier life now.
小题9:He (throw) his coat on the sofa and went out.
小题10:He was tired out after (swim) for a long time.