At the beginning of last century，medical scientists made（1）BBinteresting discovery：We （2）CCnot just of flesh and blood but also of time.They were able to show that we all have "a body clock" （3）AA us，which（4）AAthe rise and fall of our body energies，making us different from one day to the next.
The idea of "a body clock" should not be too（5）CCsince the lives of most living things are controlled by the（6）BBnight-and-day cycle.We feel tired and fall asleep at night （7）CCbecome lively and energetic （8）DDthe day. （9）DDthe 24-hour cycle is disturbed（擾亂），most people experience unpleasant feelings.For example，people （10）CCare not used to（11）BBat night can find that lack of sleep causes them to perform badly at work.
As well as the daily cycle of sleeping and waking，we（12）BBhave other cycles which last （13）AAthan one day.Most of us would agree that we feel good on some days and not so good on （14）DD. （15）CCour ideas seem to flow and at other times，they just do not exist.
| （1） | A．a(chǎn) | B．a(chǎn)n | C．the | D． / |
| （2） | A．were built | B．build | C．a(chǎn)re built | D．a(chǎn)re building |
| （3） | A．inside | B．a(chǎn)round | C．a(chǎn)mong | D．on |
| （4） | A．controls | B．controlling | C．controlled | D．control |
| （5） | A．surprised | B．surprisingly | C．surprising | D．surprise |
| （6） | A．24 hours | B．24-hour | C．24-hours | D．24 hour |
| （7） | A．but | B．so | C．a(chǎn)nd | D．or |
| （8） | A．in | B．by | C．from | D．during |
| （9） | A．Because | B．When | C．Whether | D．If |
| （10） | A．whom | B．that | C．who | D．which |
| （11） | A．work | B．working | C．worked | D．be worked |
| （12） | A．a(chǎn)lready | B．a(chǎn)lso | C．even | D．either |
| （13） | A．longer | B．more longer | C．longest | D．long |
| （14） | A．other | B．the other | C．a(chǎn)ll other | D．others |
| （15） | A．Sometime | B．Some time | C．Sometimes | D．Some times |
【答案】B；C；A；A；C；B；C；D；D；C；B；B；A；D；C
【解答】
【點(diǎn)評(píng)】
聲明：本試題解析著作權(quán)屬菁優(yōu)網(wǎng)所有，未經(jīng)書面同意，不得復(fù)制發(fā)布。
發(fā)布：2024/5/27 14:0:0組卷：9引用：1難度：0.5
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