I’m Bruce Green. My dad is tall and has short gray hair now. But I see an old photo of him. In the photo, he’s 15 years old. He’s short. He has long yellow hair. He is in blue jeans(牛仔裤) and a T-shirt. He looks cool.

Now I’m 15 years old. I’m not tall and not short. My hair is short. It isn’t yellow, it’s brown. I don’t like blue jeans. I like big pants and long T-shirts.

根据短文内容，判断正(T)误(F)。

小题1:Bruce’s dad is short and has gray hair now.

小题2:Bruce’s dad has long yellow hair in the old photo.

小题3:Now Bruce’s hair is yellow, too.

小题4:Bruce likes big pants and long T-shirt.

小题5:Bruce and his dad are in the old photo.

下列有关人体组织体液回声强度的描述中，哪项欠妥（）

A.尿液中混有血液，可出现低水平回声

B.囊肿合并感染时，囊内可出现回声

C.新鲜血肿内无回声，陈旧血肿内总是回声增强

D.渗出性胸腹水可能出现低水平回声

E.化脓性胆囊炎胆汁内可有低水平回声