判断下列句子的正误。对的打“√”，错的打“×”。

( ) 1. Yao Ming is very tall.

( ) 2. Liu Xiang is old.

( ) 3. Xiao Shenyang is young and funny.

( ) 4. The elephant is very strong.

( ) 5. The giraffe is short. The deer is tall.

肺脓肿空洞、癌性空洞、肺结核空洞鉴别最可靠的办法

A．X线断层摄影

B．胸部超声检查

C．支气管碘油造影

D．细胞学检查和细菌学检查

E．以上都不是