根据句意及首字母提示补全所缺单词。 1. The poor man lives

题型:填空题

问题:

根据句意及首字母提示补全所缺单词。

1. The poor man lives a____________ in a small village. He feels lonely sometimes.

2. All my friends went to climb the hills e____________ me because I had to look after my sick mother.

3. I have sent my mother a m____________ to tell her I shall be home late.

4. The Internet makes it p____________ for us to send information to each other in a few seconds.

5. Yesterday afternoon he told me about his e____________ as a young man.

考点:单词、词组
题型:填空题
代数式7a2b+
1
c
,3xy+y3,-
4
7
a2b-18,
3
ab
,-8
中,不是整式的有(  )
A.1个B.2个C.3个D.4个
题型:填空题

分子式为C5H10的烯烃共有(要考虑顺反异构体)[ ]

A.5种

B.6种

C.7种

D.8种

题型:填空题

唐宗海对血证颇有成就,著有()一书。

题型:填空题

简述影响合金充型的主要因素。

题型:填空题

下列这些抑制干扰的措施,其中错误的是( )。

A.为了克服电离干扰,可加入较大量易电离元素

B.加入过量的金属元素,与干扰元素形成更稳定或更难挥发的化合物

C.加入某种试剂,使待测元素与干扰元素生成难挥发的化合物

D.使用有机络合剂,使与之结合的金属元素能有效地原子化

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