文法請教 - 英檢

(1)Dolphins,_____ porpoises, are well-known for their ability to delight humans
with their antics.

1. alike 2. which are alike 3. like 4.that are like

答案是3, 為何不是2呢?





(2)Few visitors to Disney World in Florida are aware that much of its electrical
power comes from the energy _____ by burning its own garbage.

1. that produces 2. which it is produced 3. it produces 4. producing

答案是3, 為何是3呢? 請問答案如果有 produced, 可以選嗎?




(3)_______ certain molds and fungi to multiply very rapidly.

1. Tropical weather cause 2. Tropical weather causes 3. The tropical
weather cause 4. A tropical weather causes

答案是2, 可以選4嗎?

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