我的位置：首页 >> 健康频道 >> 健康知识

?????

1 ?????
2 ????????????????
A?
????????????????????????????
?????????????????????
B??
15??15??10??10?10?5?10??8??8???10??8??8????500????????????????????????335??????????????????
?????????
C?
?????
1??????200????
2??????????200???????
3????????????200?????????????200???????????
??????????????????????????????????
D?
????
1??????10?????
2???????????
???????????????????
????
??????????100???????????????????????????????????????????????????????????????
?????????????????????????????...

“?????” 的相关文章

???

1.??
??????????????p?????
???????????????????????????
???????????
2.??
????????????????????
???
????????????????????????????????????????????
???
????????????????
?????

????????

??????????????????????????????????????????????????? ???????????????????????????????????? ????????????????????????????????????????? ??????????????????? ????????????????????????????
????:??????? ????? ????????????? ????????? ??????????? ?k??????
???
??/???
??/?????
??????/???????
?????????/??? ...

??????

???
1???????
2???????2 cm2?
3?5%1%?
4???????50??
5?????
6??????????????
7???1 cm2??
8???50cm2??
9???30%??
10???34?????
11?????????
12???100 cm2?
13??????????
14????
15????????
16??0.5??0.8?
17??0.8?
18????????
19???1/3??
20?????
21?????????
22???????????
23??
24???
25???
26?...

?

???????????????????????????????????????? ?????????????????????????????

1??????????????????????????
2??????????????????????
3?????????????????????????
4????????????????????????
5????????????????????????
6???????????
7??????? ????k??????????????
8???????????????
9??????????????
10?????????...

?

???1?2???

??
1???????
2???????2 cm2?
3?5%1%?
4???????50??
5?????
6??????????????
7???1 cm2??
8???50cm2??
9???30%??
10???34?????
11?????????
12???100 cm2?
13??????????
14????
15????????
16??0.5??0.8?
17??0.8?
18????????
19???1/3??
20?????
21?????????
22???????????
23??
24...