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【简答题】
Listen to a short passage and fill in the blanks. 听录音，根据其内容填空，一空一词。 My father got a new in Britain. My family will to Britain and I will go to a new school in next year. What's my new school like ? It's called . It's big and . The school day in Britain is much . School begins at about in the morning and ends between 3:30 and 4 o'clock. is the month when children go back to school after their long summer holidays. We will fly to Britain in . I will enjoy the life in Britain, I think.
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参考解析：
刷刷题刷刷变学霸
举一反三
【单选题】两个相干波源在同一空间传播，空间某点离两波源的波程差δ=r1-r2=( )，振幅最大。
A.
k×λ
B.
k×λ/2
C.
(2k+1)λ/2
D.
(2k+1)λ/4
【多选题】根据我国《合同法》的规定,在( )情形下,要约失效。
A.
拒绝邀约的通知到达要约人。
B.
要约人依法撤销要约。
C.
承诺期限届满，受要约人未作出承诺。
D.
受要约人对要约的内容作出实质性变更
E.
要约人依法撤回要约