题目

下列有关生物体内水和无机盐的叙述正确的是（）       A．  不同种生物细胞的自由水和结合水的比值相同，它们的代谢强度也相同       B．  癌变细胞和衰老细胞内的水分减少，新陈代谢速率减慢       C．  给水中毒患者注射质量分数为1.8%的盐水，是为了降低细胞外液的渗透压       D．  血浆pH能维持相对稳定，与它含有的HCO3﹣、HPO42﹣等离子有关 完形填空。 My father always asks me,“　　1　　 do you want to be in future?”I say．I want to be a famous 　　2　　 like Yang Lan．My father smiles to 　　3　　 and 　　4　　,“You like to 　　5　　 VIPs and write stories 　　6　　 them．That's good．”But he asks me,“Do you want to work for a magazine 　　7　　 a TV station?”“Of course．I want to 　　8　　 in the CCTV, I think working in the CCTV is very 　　9　　．”“But it's very busy, too．”My father tells me．“So work hard from 　　10　　 on．” (1) [　　] A． What B． Where C． When D． Why (2) [　　] A． actor B． reporter C． waiter D． doctor (3) [　　] A． I B． my C． me D． mine (4) [　　] A． speaks B． talks C． tells D． says (5) [　　] A． meet B． see C． look D． watch (6) [　　] A． of B． about C． on D． for (7) [　　] A． and B． but C． or D． with (8) [　　] A． play B． study C． learn D． join (9) [　　] A． exciting B． boring C． dangerous D． different (10) [　　] A． today B． tomorrow C． now D． then