4. (★★★★★☆)按要求改写句子。
(1)mine/your feet/smaller/are/./than(连词成句)

(2)Chen Jie's hair is long. Lucy's hair is longer. (合并为一句)

(3)Mr White is $\underline{1.75\ metres}$. (就画线部分提问)

(4)I wear size 37 shoes. (写出同义句)

(1) Your feet are smaller than mine. (2) Lucy's hair is longer than Chen Jie's. (3) How tall is Mr White? (4) My shoes are size 37.

(1) 连词成句需运用“主语+be+形容词比较级+than+比较对象”的比较级结构，结合所给词汇，your feet作主语，smaller为比较级，than后接名词性物主代词mine，组成正确句子。(2) 合并句子需用比较级结构，以露西的头发更长为核心，用than连接比较对象陈杰的头发，形成符合逻辑的句子。(3) 画线部分是身高，对身高提问用疑问词How tall，后接一般疑问句语序。(4) 同义句转换可将“我穿37码的鞋”转换为“我的鞋是37码的”，对应正确英文表达。

5. (★★★★☆)根据短文内容选择最佳答案。
Sperm Whale(抹香鲸)
Length: 15 metres
Weight: 35,000 kg
Teeth: 50, each up to 20 cm long
Food: squid(鱿鱼), lobsters(龙虾) and small sharks(鲨鱼)
Skill: can dive(潜水) into the deep cold water
Killer Whale(虎鲸)
Length: 8 metres
Weight: 3,600 kg
Teeth: 40, each up to 10 cm long
Food: fish, birds, seals(海豹) and even whales(鲸)
Skill: good swimmer; can jump out of water
()(1)A sperm whale is .
A. eight metres long
B. fourteen metres long
C. fifteen metres long
()(2)A killer whale is kg heavy.
A. three thousand six hundred
B. thirty-five thousand
C. thirty-six thousand
()(3)A sperm whale has got more teeth than a killer whale.
A. fifty
B. forty
C. ten
()(4)A sperm whale can .
A. dive into the deep cold water
B. jump out of water
C. fly

(1)C (2)A (3)C (4)A

(1) 根据短文中抹香鲸的Length: 15 metres，可知选C；(2) 根据短文中虎鲸的Weight: 3,600 kg，对应three thousand six hundred，可知选A；(3) 抹香鲸有50颗牙，虎鲸有40颗，50-40=10，可知选C；(4) 根据抹香鲸的Skill: can dive into the deep cold water，可知选A。