1 Write the missing parts of speech. ► dirty ADJ dirt N 1 dusty ADJ ____ N 2 mud N ____ ADJ 3 greasy ADJ ____ N 4 vacuum cleaner N ____ V
dust muddy grease vacuum
举一反三
- 核心 n 核心的 adj
- 请写出下列单词的对应词性。 1. able________(n) 2. absent___________(n) 3. accept____________(adj) 4. access____________(adj) 5. accomplish_______________(n)
- Everybody hates him for his (repulsive) looks. A: v B: adj C: adv D: n
- 在本文中所学的spot是什么词性? A: n B: v C: adj D: adv
- 远倒是不远,就是不太好找。(adj倒是不adj,就是()......())
内容
- 0
adj;old-fashioned
- 1
通情达理的 adj _____________
- 2
设`\n`阶方阵`\A`满足`\|A| = 2`,则`\|A^TA| = ,|A^{ - 1}| = ,| A^ ** | = ,| (A^ ** )^ ** | = ,|(A^ ** )^{ - 1} + A| = ,| A^{ - 1}(A^ ** + A^{ - 1})A| = `分别等于( ) A: \[4,\frac{1}{2},{2^{n - 1}},{2^{{{(n - 1)}^2}}},2{(\frac{3}{2})^n},\frac{{{3^n}}}{2}\] B: \[2,\frac{1}{2},{2^{n - 1}},{2^{{{(n + 1)}^2}}},2{(\frac{3}{2})^n},\frac{{{3^n}}}{2}\] C: \[4,\frac{1}{2},{2^{n + 1}},{2^{{{(n - 1)}^2}}},2{(\frac{3}{2})^{n - 1}},\frac{{{3^n}}}{2}\] D: \[2,\frac{1}{2},{2^{n - 1}},{2^{{{(n - 1)}^2}}},2{(\frac{3}{2})^{n - 1}},\frac{{{3^n}}}{2}\]
- 3
“A比B+还adj”和“A比B+更adj”表达的意义相近时,其相同点是?
- 4
在由N个构件组成的机构中,有_____个相对瞬心,有____个绝对瞬心。 A: N(N−1)/4,N(N−1)/4 B: (N−1)(N−2)/2,N−1; C: N,N(N−3)/2 D: N(N−3)/2,N