Mrs. White became a teacher in 1985. She ________ for twenty years by next summer.

答案查看网，轻松搜题/搜资源

【单选题】【消耗次数：1】

① willteach

② wouldhavetaught

③ hasbeenteaching

④ willhavebeenteaching

参考答案：

复制

纠错

相关题目

【单选题】 Susan: How do you do, Mrs. White.Mrs. White: How do you do, Susan. I’m glad you can join us. __________

① Dont be shy.

② Please feel natural.

③ Make yourself at home.

④ Feel all right here.

查看完整题目与答案

【单选题】 Susan: How do you do, Mrs. White.Mrs. White: How do you do, Susan. I’m glad you can join us. __________

① Don’t be shy.

② Please feel natural.

③ Make yourself at home.

④ Feel all right here.

查看完整题目与答案

【判断题】 Mrs. Fuller went on a diet and in three months brought down her weight to 100 pounds.

① 正确

② 错误

查看完整题目与答案

【单选题】 After ten years, all these youngsters became____.

① grown-up

② grown-ups

③ growns-ups

④ growns-up

查看完整题目与答案

【单选题】 _________ the teacher’s voice, the little girl became nervous.

① Have heard

② Hearing

③ Heard

④ Hear

查看完整题目与答案

【单选题】 Although she wrote a lot of short stories and poems when she was very young, ____ she was twenty five.

① her first real success did not come until

② her real first success came until not

③ since her first real success did not come until

④ not until her first real success

查看完整题目与答案

【单选题】 Although she wrote a lot of short stories and poems when she was very young, _____she was twenty five.

① her first real success did not come until

② her real first success came until not

③ since her first real success did not come until

④ not until her first real success

查看完整题目与答案

【单选题】 On his next birthday he （） married for ten years.

① has been

② will be

③ will have been

④ would have been

查看完整题目与答案

【单选题】 When my own son was five years old, I became （）for another baby.

① eager

② desire

③ yearn

④ wish

查看完整题目与答案

【单选题】 She hope[填空] to university next year.

① going

② to go

③ goes

④ gone

查看完整题目与答案

随机题目

【单选题】 ( )是催化重整装置生产芳烃的原料，也是生产乙烯的原料。

① 石脑油

② 柴油

③ 航空煤油

④ 煤油

查看完整题目与答案

【单选题】在烃类热裂解生产乙烯中，工业上都是用水蒸气作为稀释剂。其优点有( )个。

① 3

② 4

③ 5

④ 6

查看完整题目与答案

【单选题】加氢脱乙炔过程中，设在( )前进行加氢脱炔的叫前加氢。

① 脱甲烷塔

② 脱乙烷塔

③ 脱丙烷塔

④ 脱乙烯塔

查看完整题目与答案

【单选题】裂解气深冷分离中，丙烯精馏塔具有的特点是( )。

① 塔板数最少，回流比最大

② 塔板数最多，回流比最大

③ 塔板数最多，回流比最小

④ 塔板数最少，回流比最小

查看完整题目与答案

【单选题】裂解气压缩工艺采用多段压缩，同时还要段间冷凝。段间冷凝的目的是(　　)。

① 节省压缩功

② 回收能量

③ 防止二烯烃聚合

④ 降低裂解气温度

查看完整题目与答案

【单选题】制冷循环过程中，制冷工质在(　)过程中可以吸收热量。

① 蒸发

② 压缩

③ 冷凝

④ 膨胀

查看完整题目与答案

【单选题】热泵系统就是既向精馏塔塔顶供冷又向塔釜供热的(　　　)。

① 精馏塔

② 离心泵

③ 制冷循环

④ 传热系统

查看完整题目与答案

【单选题】深冷分离过程中后加氢工艺的主要优点是( )。

① 流程复杂

② 选择性高

③ 乙烯损失大

④ 操作较难

查看完整题目与答案

【单选题】采用碱洗法脱除裂解气中酸性气体时，若逆流吸收，则从上到下，碱液浓度(　　)。

① 逐渐降低

② 逐渐增加

③ 不变

④ 都可以

查看完整题目与答案

【单选题】制冷循环中，所能获得的制冷温度取决于制冷工质(　　)。

① 临界温度

② 常用下沸点

③ 常压下凝固点

④ 饱和温度

查看完整题目与答案