癸卯学制将高等教育机构明确分为大学堂、高等学堂和（）。

The important thing is that this is a major breakthrough. “breakthrough” here means an important development or achievement.

 ______ twice a year, whether it is a car or a bus or a truck, is the rule that every driver must obey in this city.

Scientists say it may be five or six years _____ this medicine is tested on human beings.

Is this（）longer or shorter?

Every deliberate act of wrongdoing by the master or any of the crew against the ship or cargo，without the authorization or privity of the Shipowner or his agent，is（）.

（）, or drum is used for hauling in or letting out the wires or ropes which will fasten the ship to the shore.

The （） is used for hauling in or letting out the wires or ropes.

The（）may examine or re-examine the goods or take samples from them straightaway in the absence of the consignee or the consignor whenever it considers this necessary.

黑龙江大学2007年起在黑龙江省高校当中开设大学生安全教育课。

黑龙江大学大学生安全教育课是新生公共课。

Damage to cargo caused by fumes or vapors from liquids，gases，or solids is known as（）.