In ______, the only element that can be deleted or removed is the one that was inserted most recently.

A small light tackle with blocks of steel or wood that is used for miscellaneous small jobs is called a（）.

What is the most likely reason that an IBGP route that has been selected as a best route is not entered into the IP routing table?（）

In(74), the only element that can be deleted or removed is the one that was inserted most recently.

● In （74） the only element that can be deleted or removed is the one that was inserted most recently.（74）

Off hire is when a vessel breaks down，strands，or has any damage that prevents the working of cargo or delays the sailing of the vessel．Under which of the following charter parties is off hire most likely to be mentioned?（）.

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

The most obvious characteristics of the Communicative Approach is that almost everything that is done is done with a communicative intent.（）

 ______ 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.

For each blank，choose the best answer from the four choices and write down on the answer sheet．(66) is a protocol that a host uses to inform. a router when it joins or leaves an Internet multicast group．(67) is an error detection code that most data communication networks use．(68) is an interior gateway protocol that uses a distance vector algorithm to propagate routing information．(69) is a transfer mode in which all types of information are organized into fixed form. cells on an asynchronous or non -periodic basis over a range of media.(70) is an identifier of a web page.

Most doctors recognize that medicine is as much（）(是一门科学，也是一门艺术).

（）generally indicates that a gale or storm is approaching.