100mL 0.1mol·L-1的碳酸钠溶液所含碳酸钠的质量是
| A.10.6g | B.1.06g | C.0.53g | D.106g |
Progress______ so far very good and we are sure that the work will be finished on time.
| A.was | B.had been | C.has been | D.will be |
Charles was alone at home, with_______ looking after him.
| A.someone | B.anyone | C.not one | D.no one |
It is often ______ that human beings are naturally equipped to speak.
| A.said | B.to say | C.saying | D.being said |
| A.果脯(fǔ)倾轧(yà)供不应求(gōng) |
| B.模型(mó)殷实(yīn)寡廉鲜耻(xiǎn) |
| C.宝藏(zàng)间断(jiàn) 浑身解数(jiě) |
| D.澄清(chéng)包扎(zā)相形见绌(chù) |
| A.间jiàn黑白相间亲密无间居间调停 |
| B.挨āi挨门逐户挨打受骂延挨度日 |
| C.劲jìng疾风劲草强劲有力刚劲正直 |
| D.舍shě舍我其谁不舍昼夜魂不守舍 |