【判断题】隋唐时期是中国佛教发展的创造阶段和鼎盛阶段。( )
【单选题】with a clear SOW a contractor completes work as specified,but the buyer is not pleased with the result.the contract is considered to be ( )
A.
incomplete because the buyer is not pleased
B.
incomplete because the specs are incorrect
C.
compete because the contractor meets the terms and conditions of the contract
D.
complete because the contractor is satisfied
【单选题】Only when _______ according to the directions strictly will the medicine work well.
【单选题】下面提到的问题中,与盐的水解无关的是( )
A.
NH 4 Cl与ZnCl 2 溶液可作焊接中的除锈剂
B.
将FeCl 3 溶液蒸干灼烧,所得固体为Fe 2 O 3
C.
实验室盛放Na 2 CO 3 、Na 2 SiO 3 等溶液的试剂瓶应用橡皮塞,而不能用玻璃塞
D.
为保存FeCl 2 溶液,要在溶液中加少量铁粉
【单选题】下面提到的问题中,与盐的水解无关的是 ①明矾和FeCl 3 可作净水剂 ②实验室保存FeCl 3 溶液时,要在溶液中加少量盐酸. ③在NH 4 Cl或AlCl 3 溶液中加入金属镁会产生氢气. ④NH 4 Cl与ZnCl 2 溶液可作焊接中的除锈剂. ⑤实验室盛放Na 2 CO 3 、Na 2 SiO 3 等溶液的试剂瓶应用橡皮塞,而不能用玻璃塞. ⑥长期使用硫铵,土壤酸性增强;草木灰与铵态氮肥不...
【单选题】Wit a large amount of work _______, the chief manager couldn’t spare time for a holiday.A.remain
A.
65. Wit a large amount of work _______, the chief manager couldn’t spare time for a holiday. A.remained to be done