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【单选题】
The sentence 'Children are a relatively modern invention' underlined in Paragraph 1 means that children______.A.
were exactly the same as adults a few hundred years ago
B.
did not exist at that time because there were no families yet
C.
were not different from adults in physical appearance
D.
were not different from adults
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举一反三
【简答题】根据下列条件，回答 22～24 题： 第 22 题
【单选题】第22题 Jack would rather spend time complaining than ________ the problem by himself.
A.
solve
B.
solved
C.
solves
D.
to solve
【简答题】阅读材料，回答问题： 金银花既有观赏价值，又有药用价值，是祖国医学中常用的药物之一．人工繁殖金银花的方法是：秋天果实采收后，洗净果皮，晒干后贮藏．第二年4月上旬，将种子放在25℃的温水中浸泡一昼夜，再与细沙混合，放在室内催芽，播种后用细眼喷壶洒水，10天左右即可出苗． （1）与金银花种子贮藏关系最密切的条件是______． （2）与金银花种子萌发直接有关的外界条件是______，请利用干净的罐头瓶...
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