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【单选题】
以下四种滴定反应,突跃范围最大的是( )A.
0.1mol·L -1 NaOH 滴定0.1mol·L -1 HCl
B.
1.0mol·L -1 NaOH 滴定1.0mol·L -1 HCl
C.
0.1mol·L -1 NaOH 滴定0.1mol·L -1 HAc
D.
0.1mol·L -1 NaOH 滴定0.1mol·L -1 HCOOH
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举一反三
【单选题】I suppose we’ll have to, bad weather conditions, spend more than 500 days undertaking the construction.
A.
considering
B.
allowed for
C.
including
D.
linked with
【单选题】病人,女,生育史:0-0-0-0,第1胎,孕38周。今晨突然发生阵发性腹痛来院。检查:宫颈扩张3cm,于当日下午4点娩出1个4000g男婴,即发生阴道出血500ml,色鲜红,持续不断,可凝固。15分钟后胎盘娩出,胎盘、胎膜完整,检查宫体硬,宫底平脐。该病人产后出血最可能的原因是
A.
胎儿过大,宫缩乏力
B.
弥散性血管内凝血
C.
胎盘滞留
D.
软产道损伤
E.
胎盘早剥
【单选题】— Because of the rain, we’ll have to the football match． — I’m free next Sunday if you would like to play then．
A.
advance
B.
postpone
C.
abandon
D.
advocate
【单选题】病人,女,第1胎,孕38周。今晨突然发生阵发性腹痛来院。检查:宮口扩张3cm,于当日下午4点娩出一4kg男婴,即发生阴道出血500ml,色鲜红,持续不断,可凝固。15分钟后胎盘娩出,胎盘、胎膜完整,检查宫体硬,宫底平脐。该病人产后出血最可能的原因是
A.
胎儿过大，宫缩乏力
B.
弥散性血管内凝血
C.
胎盘滞留
D.
软产道损伤
E.
胎盘早剥
【单选题】We’ll have to race the clock to complete the work on time.
A.
beyond
B.
over
C.
against
D.
from
【单选题】—According to the weather report, there is likely to be heavy rain tomorrow. —_______, we’ll have to change the plan for the outgoing.
A.
If so
B.
If not
C.
Unless so
D.
Unless not
【单选题】The lift yesterday. We’ll have to walk up to the eighth floor this evening.
A.
broke down
B.
took down
C.
came down
D.
got down
【单选题】病人,女,第1胎,孕38周。今晨突然发生阵发性腹痛来院。检查:宮口扩张3cm,于当日下午4点娩出一4kg男婴,即发生阴道出血500ml,色鲜红,持续不断,可凝固。15分钟后胎盘娩出,胎盘、胎膜完整,检查宫体硬,宫底平脐。该病人产后2小时观察内容应除外
A.
生命体征
B.
膀胱充盈度
C.
宫缩情况
D.
会阴有无血肿及阴道有无出血
E.
母乳喂养情况
【单选题】We’ll have to race _____ the clock to complete the work on time.
A.
beyond
B.
over
C.
from
D.
against
【单选题】In order to finish the project, we’ll have to work hours a day. [ ]
A.
more two
B.
two more
C.
two another
相关题目：
【单选题】We’ll have to race the clock to complete the work on time.
A.
beyond
B.
over
C.
against
D.
from
参考解析：
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