爆炸的发生需要同时具备两个条件，一是（），且（）；二是（）。

从燃烧需要看，原则性的配风量特征是( )。

A．前后两端多，中间少
B．前后两端少，中间多
C．前端少，后端多
D．前后均匀一致

用括号中的提示将直接引语变成间接引语。

1. I grew these tomatoes myself. (she, tell)

    ______________________________________________________

2. I'll certainly help you tomorrow. (Robert, promise) 

    ______________________________________________________

3. Why did they do that? (he, wonder) 

    ______________________________________________________

4. The new book will be come out in November. (Sarah, announce)

    ______________________________________________________

5. Yes, I lied to the police. (he, admit)

    ______________________________________________________

6. Would you like to come to my birthday party? (Alex, invite) 

    ______________________________________________________ 

7. Are you sure your mother will bring this here? (Julia, ask)

    ______________________________________________________ 

8. Please don't wait for me if I'm late. (Kevin,ask) 

    ______________________________________________________ 

9. Merry Christmas! (Kitty, wish)

    ______________________________________________________ 

10. You mustn't come in without knocking. (Lori, tell) 

     ______________________________________________________

传热过程中，当两侧流体的对流传热都较大时，影响传热过程的将是（）。

A.管壁热阻

B.污垢热阻

C.管内对流传热热阻

D.管外对流传热热阻

透明

常规地质录井资料均为定性的不能准确量化的资料，不能用于建立解释图版，因此建立解释图版时不必收集常规地质资料，以节省时间，提高解释效率。（）