【单选题】【消耗次数：1】
3. He ______ hard until I told him to sit down and have a break.
①
was working
②
had been working
③
worked
④
has worked
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相关题目
【单选题】
Had he worked hard, he _____ the exams.
①
must have got through
②
would have got through
③
would get through
④
could get through
【单选题】
If he had worked harder, he ___.
①
would succeed
②
had succeeded
③
should succeed
④
would have succeeded
【单选题】
They are working hard to____ what they have lost.
①
make out for
②
keep up with
③
catch up with
④
make up for
【单选题】
The boy worked hard ______ he could get the prize.
①
so that
②
so as to
③
so as
④
in order to
【单选题】
He____________ working as if nothing had happened.
①
continue
②
continues
③
continuing
④
continued
【判断题】
Before he began to study in the university, he had worked in a company for three years.
①
正确
②
错误
【单选题】
Tom is hard-working, so its _____________ that he won the match.
①
no wonder
②
a pity
③
a surprise
④
a mystery
【单选题】
When I worked as the general manager of the firm, I sometimes had ___ to visit London on business.
①
opportunity
②
possibility
③
occasion
④
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随机题目
【单选题】
7. 下列关于氢氧化铝的叙述不正确的是：
①
抗胃酸作用较强，生效较慢
②
口服后生成的AlCl3有收敛作用
③
与三硅酸镁合用作用增强
④
久用可引起便秘
⑤
不影响四环素、铁制剂吸收
【单选题】
5. 关于硝酸甘油的叙述错误的是：
①
扩张静脉血管，降低心脏前负荷
②
扩张动脉血管，降低心脏后负荷
③
减慢心率，减弱心肌收缩力而减少心脏作功
④
加快心率，增加心肌收缩力
⑤
减少心室容积，降低心室壁张力
【单选题】
2. 关于硝酸甘油的叙述错误的是：
①
扩张静脉血管，降低心脏前负荷
②
扩张动脉血管，降低心脏后负荷
③
减慢心率，减弱心肌收缩力而减少心脏作功
④
加快心率，增加心肌收缩力
⑤
减少心室容积，降低心室壁张力
【单选题】
1. 大剂量碘制剂不能单独长期用于治疗甲亢是因为
①
A．为合成甲状腺素提供原料
②
B．失去抑制合成激素的效应
③
C．使T4转化为T3加重甲亢
④
D．使腺体增生肿大
⑤
E．引起甲状腺危象