某本书的价格是x元，则0.9x可以解释为：______．

孔子说：“其身正，不令则行，其身不正，虽令不行”，这句话反映教育劳动的（）。

A.主体性

B.创造性

C.间接性

D.示范性

根据文章意思，首字母填空(8分)

Do you have any hobbies? If students don’t have any interest e___1___ school work, they may become boring people. And that can influence their studies.

Studying without relaxing isn’t good for health. We can’t get good g___2__ if we have bad health. We should do something we like. Some people like singing, taking photos and drawing p__3__. Other people prefer collecting stamps, reading or shopping. I have a few hobbies, but my f___4___ is collecting stamps. I like it best because I can learn a lot from stamps.

Some people collect stamps because they can m__5__ money from the stamps. But I am just i__6__ in collecting them and enjoy looking at them when I am free.

Stamp collecting is becoming more and more p__7__ all over the world. I know an Australian boy and a French girl through the Internet. They both like collecting stamps. We show stamps to each other o__8__. That is cool.

外科手术前止凝血筛检试验主要有（）

A.PLT

B.TT

C.APTT

D.Fg

E.PT

消费者在市场上选购绿色食品时，应注意（）等包装特征。

A.有无绿色食品标志

B.包装是否美观

C.包装的大小、形状

D.是否有绿色食品编号

为了验证植物向光性与植物生长素的关系，有人设计了如下实验方案。

（一）方法步骤：取6个小花盆，各栽入一株品种、粗细和大小都相同的玉米幼苗（要求幼苗的真叶未突破胚芽鞘）。按下图所示方法进行实验处理。接通台灯电源24h后，打开纸盒，观察并记录6株玉米幼苗的生长情况。

根据（）号与（）号装置实验记录的对照分析，可以说明玉米幼苗感光部位在尖端。