Unit 6 When was it invented?Section B (1a—1d)I. 用所给词的适当形式填空。1. They thought the potatoes __________ (be not) thin enough.2. A cook __________ (call) George Crum invented potato chips.3. Too much salt _______ ___ (put) on the turkey.4. The n oodles are too _________ (salt). W e don’t want to eat them.5. The boy didn’t like to eat potatoes, because they _________ (cut) too thick. II. 选择填空。1. Paper and printing ________ in China.A. were both invented B. was invented C. are both invented D. is invented2. Yesterday I took a man’s bag ________, and he was very angry with me.A. by mistakes B. by mistake C. with mistake D. with mistakes3. The lab ________ about five years ago.A. built B. is built C. was built D. has been built4. The customer thought the potatoes ________. A. weren’t thin enough B. aren’t thin enough C. aren’t enough thin D. weren’t enough thin5. He ________ the potato chips until they were crispy. A. stopped to cook B. didn’t stop to cook C. stopped cooking D. didn’t stop cookingIII. 根据所给汉语完成英语句子。1. 它们是由一次错误而被发明出来的。They were in |
