不同性质的火工品如何拉运，进入工房如何摆放？

Jane always goes to school early. She likes to talk to her friends before class. After school she does not go home early. She is always late. Jane stops to see the animals in the pet shop. She likes to see the dogs. One of them is a little white dog. She watches the little dog play in the window of the shop. She watches for a long time, so she comes home late.

One day her father and mother ask why she is late, and she tells them about the little dog in the pet shop.

Jane is not late the next day. She stops to look in the window of the shop. But she doesn’t see the dog, and she is very sad. She is also very happy, today is her birthday.

Mother shows her a big birthday cake and Father gives her a birthday surprise(惊奇). He gives her the little white dog from the shop. Jane is very happy. The next day Jane does not come home late. She runs home to play with the white dog.

小题1:Before class begins, Jane usually ________.

A．talks to her friends

B．plays with her friends

C．looks at the dogs in the window

D．takes a bus小题2:After school Jane _____.

A．comes home early

B．is always late to go home

C．plays with the dogs

D．looks at the shops along the road小题3:Jane likes _____ best.

A．the big dog

B．the little white dog

C．little animals

D．the pet shop小题4:The little dog is not there because it _______.

A．is stolen(偷)

B．is put away(抛弃) by the shop

C．is ill

D．is sold(卖) out by the shop小题5:The birthday surprise is _________.

A．a big cake

B．some presents

C．the little white dog

D．a birthday party

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钠羧甲基纤维素（CMC）属于阳离子型聚电解质。

支撑线和压力线之所以能起支撑和压力作用，很大程度上是由于心理因素方面的原因。( )

反向闭环功率控制