重症肺结核是A．支气管肺疾病引起肺心病的首要原因B．支气管肺疾

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问题单项选择题

重症肺结核是

A．支气管肺疾病引起肺心病的首要原因
B．支气管肺疾病引起肺心病的次要原因
C．支气管肺疾病引起肺心病的较少见原因
D．肺血管病变引起肺心病
E．胸廓病变

答案

参考答案：B

填空题

用所给词的正确形式填空。

1.You can't imagine how_________(angry) he looked at me.

2. My grandfather can even read newspapers and magazines in his_________(nine)

3.Thanks for your advice. It's _________(value) of all.

4. The cartoon film __________by Jim Green is very interesting. (direct)

5. When autumn comes, ___________(leaf) turn yellow.

6. The police think the knife is one of the __________(rob).

7.Three years___________ (pass) since he joined the party.

8. Some boys were seen __________(swim) on the lake when we walked past.

9.The letter ought to ____________(type) on the computer with word processing skills.

10. She is very selfish. She always thinks more of ______ (she) than others.

问答题简答题

计算题：已知炉中钢水量为13.8t，分析Cr含量为18.2%，加入500kg钛铁后分析铬含量将被撤掉多少？