【单选题】【消耗次数：1】
Jack was ill and had to ____ in bed for six days.
①
sleep
②
stay
③
keep
④
lay
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相关题目
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Since you have already come, you _____ stay here for a couple of days.
①
might well
②
might as well
③
might have to
④
might
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I had my meals ______ when I was ill in bed with a bad cold.
①
to bring
②
bring
③
brought
④
bringing
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nostalgic
②
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③
nostalgia
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18.- ______ did you sleep last night? - I stay up too late to go to sleep.
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How
②
When
③
Why
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-- How long ______ you ______ the library book?-- For three days.
①
have; borrowed
②
have; kept
③
borrow
④
were; kept
【单选题】
—How long____ you ____the library book? —For three days.
①
have--borrowed
②
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③
did--borrow
④
were--kept
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Lily is upset these days. Do you know how to ______ her ______?
①
cheer; up
②
cheer; on
③
pick; up
④
put; away
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I used to ( ) if I didnt get at least six hours sleep at night.
①
moaning
②
moat
③
moan
④
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I’d like to ____ a single room at the holiday inn for two days.
①
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随机题目
【单选题】
牙槽嵴顶的少量吸收，X线片表现为
①
牙槽嵴顶高度的降低
②
牙槽嵴顶密度的减低
③
角形吸收
④
牙槽嵴顶附近牙周膜增宽
⑤
前牙的牙槽骨间隔由尖变平或凹陷，后牙的牙槽嵴顶由平变凹
【单选题】
关于牙槽骨不正确的描述
①
是上下颌骨包围和支持牙根的部分，也称牙槽突
②
性激素等全身因素可影响牙槽骨的改建
③
当牙槽骨因炎症或创伤等开始发生吸收时，硬骨板不会发生改变
④
X线片上牙槽嵴顶和釉牙骨质界的距离一般在2mm内
⑤
牙槽骨在失去牙后，逐渐吸收、消失