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【判断题】
4-络合滴定中,若封闭现象是由被测离子引起的,则可采用定法进行。A.
正确
B.
错误
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【简答题】BCD码中，每一位十进制数字由______位二进制数码组成，ASCII码中表示1个字符需要______位二进制数码。
【单选题】甲男与乙女从小青梅竹马，感情很好。转眼间，甲男已25周岁，乙女已24周岁，双方感情进一步加深，准备结婚。于是，双方父母在2001年为他们举行了隆重的婚礼，但甲男与乙女未到有关机关办理结婚登记。则下列说法正确的是( )。
A.
甲男与乙女双方完全自愿，他们之间的婚姻成立
B.
甲男与乙女未办理结婚登记，他们之间的婚姻不成立
C.
甲男与乙女已达到法定婚龄，他们之间的婚姻成立
D.
甲男与乙女已举行了婚礼，他们之间的婚姻成立
【单选题】According to the passage, why were the remains of organisms trapped in swamps better preserved for the fossil record than those that were not?
A.
The swamp environment reduced the amount of bacterial decay.
B.
Swamp waters contained higher amounts of materials such as calcium carbonate.
C.
There were fewer sediments in swamps than in other bodies of water.
D.
Swamp vegetation accelerated the decomposition of organisms.
【简答题】阅读下列案例材料，然后回答问题。 甲男（18周岁）与其女友乙女（15周岁）共谋欺骗乙的初中同学丙女（15周岁）外出打工，并跟随甲乙二人来到某市。在某招待所，甲乙二人要求丙到发廊上班（）丙不答应，甲乙二人采用打耳光等方式逼迫丙仍不吃不从。甲经过乙的允许，将丙，并称丙若不答应，还会叫其朋友过来丙。 丙被迫同意二人的要求，第二天下午，甲一个将丙送到其他熟悉的某发廊，将丙交给发廊老饭后离开，十...
【简答题】The most basic reason why dialects should be preserved is that language helps to ______ a culture A) retain B) relate C) remark D) review
【单选题】Why is the Student Action Union opposing the parking lot plan?
A.
Because they want to preserve the natural beauty of the campus.
B.
Because they want to protect the students' right for living space.
C.
Because they want to conserve the place for future use.
D.
Because they want to sell the place for a better price.
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