【单选题】【消耗次数：1】
You should know better than ____ your little sister at
home by herself.
①
to leave
②
leaving
③
to have left
④
left
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相关题目
【单选题】
You should know better than _____your little sister at home by herself.
①
to leave
②
leaving
③
to have left
④
left
【单选题】
—Have you searched the sitting room for your key?
—No. It was in the study________ I remember I left it.
①
which
②
where
③
that
④
as
【单选题】
“Do you think, because I am poor, obscure, plain, and little, I am soulless and heartless? You think wrong!—I have as much soul as you,—and full as much heart! And if God had gifted me with some beauty and much wealth, I should have made it as hard for you to leave me, as it is now for me to leave you. ” This passage is taken from ________.
①
Emma
②
Wuthering Heights
③
Jane Eyre
④
Pride and Prejudice
【单选题】
You should have your eyes tested every year in case the ____of your spectacles need changing.
①
lenses
②
glasses
③
sights
④
crystals
【单选题】
25.If you explained the situation to your lawyer, he ______ able to advise you much better than I can.
①
will be
②
was
③
would be
④
were
随机题目
【单选题】
尘肺是指
①
长期吸入生产性粉尘而引起的以肺组织纤维化为主的全身性疾病
②
长期吸入生产性粉尘而引起的以呼吸系统症状为主的疾病
③
由于吸入游离二氧化硅粉尘引起的以肺组织纤维化为主的疾病
④
由于吸入生产性粉尘而引起的肺内炎症性疾病
【单选题】
在一个局部地区或集体单位中，短时间内突然有很多相同的病人出现。这些人多有相同的传染源或传播途径，大多数病人常同时出现在该病的最长潜伏期内，称为
①
散发
②
暴发
③
流行
④
大流行
【单选题】
关于病例对照研究的下列论述，哪项是正确的？
①
可计算研究疾病的发病率
②
可直接计算相对危险度
③
可观察到暴露于某因素后所导致的多种疾病
④
D．可计算研究人群的暴露率