问题 多项选择题

如果固定床阳离子交换器大反冼阀门内漏会引起()

A、该床失效后再生不合格

B、阳离子交换出水中硬度、钠离子含量不合格

C、备用时交换器内部带压

D、正常情况下,可以通过运行出水取样器取样分析监测进行判断

答案

参考答案:A,B,C

问答题
阅读理解

In just minutes a day, plug in and charge your iPhone quickly!

Just plug RichardSolo 1800 into your iPhone once or twice a day, for fifteen minutes, and keep your iPhone charged up. At your desk, or at dinner, plug RichardSolo into iPhone to instantly transfer charge. No more battery worries. RichardSolo will charge iPhone to full 1.5 times, and it is good for 3-5 years of recharges.

Use the iPhone while charging it. Even charge the RichardSolo 1800 and iPhone together at the same time. Take only one charger when traveling and wake up in the morning with the RichardSolo and the iPhone charged.

RichardSolo 1800 is largest in its class and holds its charge for months. Works with almost all iPhone cases.

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Actual customer comments:

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小题1: How long does it take the battery to charge up an iPhone?

A.15 minutes.

B.30 minutes.

C.1.5 hours.

D.3 hours.小题2:What is special about the battery?

A.It is built in an iPhone.

B.It is the smallest of its kind.

C.It can also be used as a charger.

D.It keeps power for about 30 days.小题3: If you are not satisfied with the product, you ______.

A.may get your pre-paid money back with any reason

B.can demand an apology and the money back within 30 days

C.have the privilege of one-month return without any reason

D.are probably unable to have the return privilege with a return label小题4:Who mentions the transporting of the battery?

A. P.S.     B. B.L.     C. M.C.     D. T.K.

小题5:The customer comments on the battery are mainly about its _______.

A.quality

B.service

C.function

D.shopping