It is difficult to understand this kind of _______ calculation.
A、intricateA
参考译文：很难理解这种错综复杂的计算。intricate错综复杂的，纠缠不清的;varied不同的，种种的;indispensable不可缺少的，绝对必要的;equable变动甚少的，稳定的。
_______foralongtime,mostofthecropsinthisareadiedfromlackingwater.
Weshalladviseyoubycableassoonasthegoods____.)
We___youforthespecialofferyousendus.()
Thetwinsisterswereidentical________appearanceandcharacter.
翻译：fyoumakeusanofferatcompetitivepriceswecansellalargequantityofchemicalproductinourdistrict.
