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【单选题】
20世纪70年代初期，我国出现了一组原因未明的脑炎，散发各地区，受累人数超过2万，1976年被命名为"散发性脑炎"。病前相关事件暴露率：服咪唑类驱虫药47．2％，病毒感染22．8％，毒物接触5．7％，精神刺激4．9％。针对该初步分析结果，正确的说法是（）
A.
驱虫药、病毒感染、毒物接触和精神刺激是散发性脑炎的充分病因组
B.
不能获得病因线索，因为没有一种因素是所有患者共有的
C.
可以获得病因结论，因为唑类驱虫的暴露率最高，所以唑类驱虫药是"散发性脑炎"的病因
D.
提示服咪唑类驱虫药可能是"散发性脑炎"的病因，但还需要分析性研究加以验证
E.
"散发性脑炎"与精神刺激无关
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参考答案：
举一反三
【单选题】互联网微信群组的建立者和管理者应该负在哪项责任
A.
经常发布信息的责任。
B.
限制群组成员交流的责任
C.
提醒群组成员积极交流的责任
D.
应该履行群组管理责任，规范群组网络行为和信息发布，构建文明有序的网络群体空间。
查看完整题目与答案
【单选题】听力原文： Another problem with children involved is child abuse. Child abuse covers a wide range of parental actions that result in harm being inflicted on children of all ages. The kind of abuse, however...
A.
Children's welfare schemes.
B.
Problems related to children.
C.
Cases of child abuse.
D.
Definitions of child abuse.
查看完整题目与答案
【单选题】A payables control account showed a credit balance of $768,420. The payables ledger balances totalled $781,200. Which one of the following possible errors could account in full for the difference?
A.
The total of discount received $28,400 was entered to the debit of the payables control account instead of the correct figure for discount received of $15,620.
B.
A contra against a receivables ledger debit balance of $6,390 has been entered on the credit side of the payables control account.
C.
The total of discount received $6,390 has been entered on the credit side of the payables ledger control account.
D.
$12,780 cash paid to a supplier was entered on the credit side of the supplier’s account in the payables ledger.
查看完整题目与答案
【单选题】急性失血输血合理的是
A.
失血量达到总血容量的20％，输浓缩红细胞及全血
B.
失血量达到总血容量的35％，只输浓缩红细胞
C.
失血量达到总血容量的15％，输浓缩红细胞
D.
失血量低于总血容量的20％可考虑不输血
E.
失血量达到总血容量的55％只输浓缩红细胞及全血
查看完整题目与答案
【单选题】A payables control account showed a credit balance of $768,420. The payables ledger balances totalled $781,200. Which one of the following possible errors could account in full for the difference?
A.
A contra against a receivables ledger debit balance of $6,390 has been entered on the credit side of the payables  control account.
B.
The total of discount allowed $28,400 was entered to the debit of the payables  control account instead of the correct figure for discount received of $15,620.
C.
$12,780 cash paid to a supplier was entered on the credit side of the supplier’s account in the payables ledger.
D.
The total of discount received $6,390 has been entered on the credit side of the payables ledger control account.
查看完整题目与答案
【单选题】地震波有纵波和横波之分,两者共性是( )。
A.
波速相同
B.
都可以通过液体传播
C.
都可以通过气体传播
D.
都可以通过固体传播
查看完整题目与答案
【单选题】听力原文： The most common type of child abuse you know is beating with the hands or with an instrument usually a cane in some places. Nearly a third of the abused children we see are in the age group betw...
A.
Before 6 years of age.
B.
Between 6 and 10.
C.
After l0 years of age.
D.
After 12 years of age.
查看完整题目与答案
【判断题】The Assisted Human Reproduction Act (2004) in Canada declares that, "commercial trade and abuse of the reproductive capabilities of children, women and men is, for health and ethical reasons, a crime....
A.
正确
B.
错误
查看完整题目与答案
【单选题】Lack of vitamin B12 leads to neuropathy. Which one of the following neurotransmitters will exhibit reduced synthesis when this vitamin is deficient?
A.
Serotonin
B.
Glycine
C.
GABA
D.
Nitric oxide
E.
Norepinephrine
查看完整题目与答案
【单选题】According to a study, one in ___children is a victim of physical abuse.
A.
20
B.
21
C.
22
D.
23
查看完整题目与答案
相关题目：
【单选题】互联网微信群组的建立者和管理者应该负在哪项责任
A.
经常发布信息的责任。
B.
限制群组成员交流的责任
C.
提醒群组成员积极交流的责任
D.
应该履行群组管理责任，规范群组网络行为和信息发布，构建文明有序的网络群体空间。
查看完整题目与答案
【单选题】听力原文： Another problem with children involved is child abuse. Child abuse covers a wide range of parental actions that result in harm being inflicted on children of all ages. The kind of abuse, however...
A.
Children's welfare schemes.
B.
Problems related to children.
C.
Cases of child abuse.
D.
Definitions of child abuse.
查看完整题目与答案
【单选题】A payables control account showed a credit balance of $768,420. The payables ledger balances totalled $781,200. Which one of the following possible errors could account in full for the difference?
A.
The total of discount received $28,400 was entered to the debit of the payables control account instead of the correct figure for discount received of $15,620.
B.
A contra against a receivables ledger debit balance of $6,390 has been entered on the credit side of the payables control account.
C.
The total of discount received $6,390 has been entered on the credit side of the payables ledger control account.
D.
$12,780 cash paid to a supplier was entered on the credit side of the supplier’s account in the payables ledger.
查看完整题目与答案
【单选题】急性失血输血合理的是
A.
失血量达到总血容量的20％，输浓缩红细胞及全血
B.
失血量达到总血容量的35％，只输浓缩红细胞
C.
失血量达到总血容量的15％，输浓缩红细胞
D.
失血量低于总血容量的20％可考虑不输血
E.
失血量达到总血容量的55％只输浓缩红细胞及全血
查看完整题目与答案
【单选题】A payables control account showed a credit balance of $768,420. The payables ledger balances totalled $781,200. Which one of the following possible errors could account in full for the difference?
A.
A contra against a receivables ledger debit balance of $6,390 has been entered on the credit side of the payables  control account.
B.
The total of discount allowed $28,400 was entered to the debit of the payables  control account instead of the correct figure for discount received of $15,620.
C.
$12,780 cash paid to a supplier was entered on the credit side of the supplier’s account in the payables ledger.
D.
The total of discount received $6,390 has been entered on the credit side of the payables ledger control account.
查看完整题目与答案
【单选题】地震波有纵波和横波之分,两者共性是( )。
A.
波速相同
B.
都可以通过液体传播
C.
都可以通过气体传播
D.
都可以通过固体传播
查看完整题目与答案
【单选题】听力原文： The most common type of child abuse you know is beating with the hands or with an instrument usually a cane in some places. Nearly a third of the abused children we see are in the age group betw...
A.
Before 6 years of age.
B.
Between 6 and 10.
C.
After l0 years of age.
D.
After 12 years of age.
查看完整题目与答案
【判断题】The Assisted Human Reproduction Act (2004) in Canada declares that, "commercial trade and abuse of the reproductive capabilities of children, women and men is, for health and ethical reasons, a crime....
A.
正确
B.
错误
查看完整题目与答案
【单选题】Lack of vitamin B12 leads to neuropathy. Which one of the following neurotransmitters will exhibit reduced synthesis when this vitamin is deficient?
A.
Serotonin
B.
Glycine
C.
GABA
D.
Nitric oxide
E.
Norepinephrine
查看完整题目与答案
【单选题】According to a study, one in ___children is a victim of physical abuse.
A.
20
B.
21
C.
22
D.
23
查看完整题目与答案
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