Think and write.根据句意及首字母提示写出动物单词。

1. I'm very tall. I'm a g              .

2. I'm a p               . I'm very fat, I'm black and white.

3. It has stripes. It's a z                .                

4. It lives in a hole. It's long. It's a s                .                

5. It has a trunk. Lt’s an e               .                  

如果术前检查发现肾静脉内癌栓，应采取

A．放弃手术，放疗加化疗

B．单纯肾切除后再放疗和化疗

C．肿瘤姑息性切除后，生物治疗

D．根治性肾切除术，静脉内癌栓同时取出

E．单纯肾切除术，同时取出癌栓