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【单选题】
全国森林资源清查每几年调查一次
A.
3 年
B.
4 年
C.
5 年
D.
6 年
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参考答案:
举一反三
【单选题】Which of the following is NOT the Third Officer’s responsibility?
A.
The Third Officer takes charge of appropriate cargo watch in port.
B.
The Third Officer takes the medical duty on board a ship.
C.
The Third Officer is responsible for the maintenance and inspection of all life saving and firefighting equipment.
D.
The Third Officer is responsible for the maintenance of log and inventory book.
【判断题】高压水银荧光灯又称高压汞灯,是玻壳内表面涂有荧光粉的高压汞蒸气放电灯。 ( )
A.
正确
B.
错误
【单选题】只存在于多根牙,起自根分叉处的牙根间骨隔顶,止于根分叉区的牙骨质的牙周纤维称为
A.
牙槽嵴组
B.
水平组
C.
斜行组
D.
根尖组
E.
根间组
【单选题】Which of the following is NOT the Third Officer’s responsibility?
A.
The Third Officer takes charge of appropriate cargo watch in port.
B.
The Third Officer takes the medical duty on board a ship.
C.
The Third Officer is responsible for the maintenance and inspection of all life saving ang firefighting equipment.
D.
The Third Officer is responsible for the maintenance of log and inventory book.
【判断题】对 2ASK 信号的解调只能采用非相干解调法解调。 ( )
A.
正确
B.
错误
【判断题】数字地球核心技术不包含互操作。
A.
正确
B.
错误
【单选题】The Sencond Officer` cabin is on the third deck.It`s above the hospital.
A.
The Second Officer`s cabin is next to the hospital
B.
The Second Officer`s cabin is second deck
C.
The hospital is on the second deck
D.
The hospital is on the fourth deck
【单选题】只存在于多根牙,起自根分叉处的牙根间骨隔顶,止于根分叉区的牙骨质的牙周纤维是( )
A.
牙槽嵴组
B.
根间组
C.
斜行组
D.
根尖组
E.
平行组
【判断题】对2ASK信号的解调只能采用非相干解调法解调。
A.
正确
B.
错误
【单选题】In our city, it's_ in July, but it's even___ in August
A.
hotter;hottest
B.
hot;hot
C.
hotter;hot
D.
hot;hotter
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