—He rides his bike.
A:how does he go to work
B:how he goes to work
C:how he went to school
D:where he goes
今年3月在日本发生的地震,引发了福岛核电站核燃料泄漏,释放出了容易致人体甲状腺损伤的放射性元素碘-131(它的相对原子质量为131)。已知在元素周期表中碘的原子序数为53,则碘-131的中子数为()
将图片与句子匹配。
⑴ ____
⑵ ____
⑶ ____
⑷ ____
⑸ ____
a.Look at my new cap.
b.Look at my skirt.
c.Look at my T-shirt.
d.Hello, I'm Liu Tao.
e.Look at my jacket.
f.Look at me.
已知数列{an}的各项均为正整数,对于n=1,2,3,…,有,当a1=11时,a100=____ ;若存在m∈N*,当n>m且an为奇数时,an恒为常数p,则p的值为____ .