正确答案: B

did

题目：一Cars moved very slowly in the l920’s．一Yes，but they_________move more quickly than 1910．

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学习资料的答案和解析：

[单选题]人类社会发展的根本动力是

社会矛盾运动

[单选题]What we have to take________the courses offered only for this term．

are

解析：What引导的主语从句根据其宾语的含义确定谓语的单复数。例：What we want are books／is water．Courses是复数，排除选项B和D。这学期要做的事应用一般现在时。选项A是正确的。【句子大意】我们必须要选的课是只在这学期开的。

[单选题]More has been learned since 1945 about the chemical changes in the body than in all human history before ________ time．

that

解析：这里指的是在1945年之前的那个时期，并有强调之意。选项B是正确的。【句子大意】自从1945年以来，我们对人体化学变化的了解比1945年之前的整个人类历史所了解的还要多。

[单选题]The husband and wife in the story__________．

Every year just after Christmas the January Sales start．All the shops reduce their pricesand for two weeks，they are full of people looking for bargains．My husband and I do not nor-mally go to the sales as we don’t like crowds and in any case are short of money as we have tobuy lots of Christmas presents． 　　Last year，however，I took my husband with me to the sales at the large shop in the centerof London．We both needed some new clothes and were hoping to find a television set．Whenwe got to station．So I left my husband and started looking around the shops．Unfortunately allthe clothes were in very large sizes and SO were not suitable for me．But I did buy．a televisionat a very cheap price，SO I felt quite pleased with myself． 　　When I arrived at the station，my husband was not there．So I sat down in a nearby cafeto have a cup of tea．I quickly finished my tea when I saw my husband and went out to meethim．He looked very happy．Then I saw he Was carrying a large and heavy cardboard box．“Oh，dear!”I thought．Yes，we had no new clothes but two televisions．We shall not be going to the sales again． 根据以上内容，回答下面的题目。In January__________．

wished to buy a TV

[多选题]脾的主要韧带有 （　　）

胃脾韧带

脾肾韧带

[单选题]下列关于消化道神经支配的叙述，错误的是（　　）

整个消化道都受交感神经和副交感神经双重支配

[多选题]颈动脉窦压力感受器敏感的人，适当压迫后可以出现（　　）

心交感神经传出冲动减少

血压下降

心率减慢

心迷走中枢紧张性增加

窦神经的传入冲动增加