题目内容
Questions 14 to 17 are based on the following passage. At the end of the passage, you will be given 20 seconds to answer the questions. Now, listen to the passage. What does the speaker think future advertisers should do
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塑料门窗安装时，应先采用直径为φ3.2的钻头钻孔，然后将十字槽盘端头自攻M4×20拧入，严禁直接锤击钉入。( )
Questions 11 to 13 are based on the following passage. At the end of the passage, you will be given 15 seconds to answer the questions. Now, listen to the passage. Children needed to learn arithmetic when ______.
对于全玻璃门安装，在玻璃板裁割后，应当将其四周作倒角处理，倒角宽度为5mm，若在现场自行倒角，应手握细砂轮块作缓慢细磨操作，防止崩边崩角。( )
体育的意义有哪些
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