人类维持生命和健康，必须每天从食物中摄取蛋白质、糖类、油脂、维生素、无机盐和水等

阅读短文，判断下列句子正(T)误(F)。

    Hello, my name is Bill. I have a sister. Her name is Lily. She is a nice girl. There is a yellow flower

on her head. Lily has a doll.  Look! My train is on the floor. It is very long. I put Lily's doll on the train.

Lily smiles, and I smile, too. We are happy.

( )1. Bill has a sister.

(     )2. There is a red flower on Lily's head.

(     )3. Bill has a doll.

(     )4. The train is very short.

( )5. Bill puts the doll on the train.

Feb. 14, 2010, to most Chinese, is not just _____ day devoted to people in love, but also _____ day to express

their care to their family and friends.[ ]

A. a: a

B. a; the

C. the; the

D. the; a

1980年我国首先设立的四个经济特区是

①深圳②厦门③上海④汕头⑤珠海[ ]

A．①②③④

B．②③④⑤

C．①③④⑤

D．①②④⑤

量油尺从0开始，以后每增加（）确定一个检定点进行检定并找出一个修正值。

A.1m

B.2m

C.3m

D.5m

胚胎性别鉴定