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【判断题】
结核分枝杆菌诱导机体产生保护性免疫应答的同时也伴有迟发型反应，这是因为引起保护性免疫应答和迟发型反应的物质为同一抗原。( )A.
正确
B.
错误
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【简答题】Janet: Well, Charles Dickens was one of the most popular novelists in 19th-century Britain. Many of his novels first appeared in magazines, in short episodes. Each one had a cliffhanger at the end tha...
【简答题】Choose the words or expressions and complete the passage(选择最恰当的单词或短语,完成短文)(6分) (词数:181) Tom was a thir-year-old boy. He was tall and (66)_ 66 ___. And he ran very fast in his class. So he was ofte...
【简答题】古代的“内圣外王之道”认为人的道德修养达到完美的地步，社会问题就解决了。实际上“内圣外王之道”始终停留在宣传阶段，“内圣说”是缺乏约束力的一种泛道德主义观念。历史已经诠释了它的作用：“内圣”，不可能成为“外王”的充要条件。现代社会面临着种种深刻的矛盾和问题，它需要科学的管理系统来调节和解决。所以，今天尤其不宜再大唱“内圣外王”的高调。这并不是说我们敌视“内圣”甚至要摒弃传统文化观念；恰恰相反，我们...
【单选题】He has worked in the city _______ three years ago while his wife has been here______only one month.
A.
since , for
B.
since, since
C.
for, since
D.
for, since
【单选题】They have been skating ______. [ ]
A.
for three hours ago
B.
since three hours ago
C.
three hours ago
D.
since three hours
【简答题】Robert Edwards was blinded in a traffic accident. He was also a little deaf 1 old age. Last week, he was taking a walk near his home when a thunderstorm came. He hid 2 the storm under a big tree and w...
【单选题】以下说法错误的是
A.
微量元素在人体中的含量越多越好
B.
有的微量元素在人体中的含量过犹不及
C.
人体中的微量元素与环境保持动态平衡关系
D.
人体所需的微量元素主要来源于食物和水
【单选题】— When did the twins go to the aquarium? — _______. [ ]
A.
Three days ago.
B.
Next month.
C.
For four days.
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