看拼音,写词语。
xiǎo tǐng
cāo zòng
jiāo chā
cù yōng
____
gù dìng
qiáo liáng
tíng bó
zuǒ guǎi yòu guǎi
dǎo gào
用数字与化学用语结合回答下列问题.
2个氢原子____;3个镁离子____.
I'm pleased to hear that Tom won the championship yesterday. ______,I dreamed that he became a dark horse the night before.
第t天
4
10
16
22
Q(万股)
36
30
24
18