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【单选题】
There are three wastewater pollution sources in a certain area. The quantity and concentration of wastewater are shown in the table. The standards of COD, BOD and SS are 10 mg/L, 5 mg/L and 50 mg/L, respectively. The main pollutants in the area are ( ) . Pollution Source Wastewater Quantity /(m 3 /d) COD/(mg/L) BOD/(mg/L) SS/(mg/L) 1# 3500 250 720 200 2# 1500 880 700 600 3# 2400 200 500 300A.
BOD
B.
COD
C.
BOD+COD
D.
BOD+COD+SS
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【简答题】高温和耐高温_____的使用是瓷器诞生的关键要素。
【单选题】一一You'd better not eat too much salt.It's bad for your bike. 一一___________.
A.
I'm thirsty now
B.
You are welcome
C.
Not at all
D.
Thanks for your advice
【简答题】患者，女，37岁，左乳房外上象限发现一无痛性包块，逐渐增大，查体：左乳腺内肿块，1.0cm×1.0cm大小，质稍硬，无压痛，活动尚可，与皮肤无粘连，腋窝未触及肿大淋巴结。在B型超声引导下针吸活检证实为乳腺腺癌，其他检查未发现远处转移征象。根据现代乳癌的治疗进展趋势，以下哪项是手术的最佳方法A、扩癌根治术 B、改良乳癌根治术 C、单纯乳腺切除术 D、相关腺叶切除，近端腋窝淋巴结活检以决定是否清扫...
【简答题】人体的方位术语:靠近头部的称为();靠近脚底的称为();靠近腹侧的称为();靠近背侧的称为();靠近皮肤的为();远离皮肤的为();靠近身体正中面的称为();远离身体正中面的称为();四肢靠近与躯干相连接部分称();四肢远离与躯干相连接部分称();前臂的内侧称为();前臂的外侧称为();小腿的内侧称为();小腿的外侧称为()。
【单选题】--- You'd better not eat too much salt. It's bad for your health. --- ____________________.
A.
thanks for your advice
B.
You are welcome
C.
I’m thirsty now
D.
Not at all
【单选题】--You'd better not eat too much salt.It's bad for your health. --_____.
A.
Thanks for your advice
B.
You are welcome
C.
I'm thirsty now
D.
Not at all
【单选题】You'd better not eat________before a blood test.
A.
anything
B.
something
C.
nothing
D.
everything
【单选题】SpeakerA: You'd better not eat too much salt. SpeakerB: ______
A.
Thank you for your advice.
B.
No, thanks.
C.
Yes, I won't.
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