为保证吸附剂的选择性，下列有关水含量描述正确的是（）。A、抽

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问题单项选择题

为保证吸附剂的选择性，下列有关水含量描述正确的是（）。

A、抽余液水含量为3～5%wt

B、抽出液水含量为3～5%wt

C、吸附剂水含量为3～5%wt

D、吸附进料原料量为3～4%wt

答案

参考答案：C

听力题

完成对话。在对话的空格中填上适当的单词，使对话完整正确。一空一词。

T= Teacher N=Nurse

T: Hello, Jenny! You look 小题1:.

N: Well, today was a busy day in my office. One boy 小题2:_himself in PE class.

T: What happened?

N: He was running 小题3:_the hot sun and then he felt sick and _小题4: down.

T: Yes, the weather is very hot today.

N: He cut his knee, so I washed the _小题5: and put some 小题6:on it.

T: Was the cut 小题7:?

N: Not really, but I also took his temperature. _小题8:_ he didn’t have a fever. I told him should rest.

T: What _小题9:_ happened?

N: One girl had a _小题10:_. I told her to put her head back to stop the blood.

T: That sounds bad. I hope she’s OK……

填空题

在单CPU系统中，如果同时存在24个并发进程，则处于就绪队列中的进程最多有 ______个。