Compute H−− with respect to point A where H−−=[I][ω] and [ω]T=[ωxωyωz]. Please answer using m, L, ϕ, and ω. Note that m is a point mass.H=i^:______ j^:______ k^:______

55. Would you please [ ] my seat to the first class? A: upgrade B: chat C: serve D: comment

[音频]Please note down the passage, and type your answer in the blank. You cannot picture your notes here.

Please choose the right words according the following pronunciation.[ˈdevəsteɪt] [ri:k] [praɪˈɔ:rəti] [ˌvʌlnərə'bɪlətɪ] A: vulnerabilitywreakprioritydevastate B: devastatewreakpriorityvulnerability C: wreakvulnerabilitydevastatepriority D: prioritywreakdevastatevulnerability

请举出 中国手语中名词和动词是一样形式的例子 ： ______ 、 ______ 、 ______ 。Please give examples of the same form of nouns and verbs in Chinese Sign Language: [fill in 1], [fill in 2], [fill in 3]

下列哪个单词的划线部分不发[ɔ]的音?( ) A: coffee B: please C: mocha D: walking

下列哪个单词的划线部分不发[ɔ]的音? A: coffee B: mocha C: walking D: please

下列哪个单词的划线部分不发[ɔ]的音? A: coffee B: mocha C: walking D: please

[A] Thank you for(your)calling.[B] Shall we meet at 3:00 at the gate[C] OK, that’s fine．[D] Hi! Can I speak to Tom[E] What’s the time, please[F] Yes, I’ll be free．[G] When and where shall we meet Yes, that’ll be all right.

________ open the window? A: Will you please B: Please will you C: You will please D: Do you please