The crankcase can not be opened （）the

1、The quality of the message can be affe

The quality of the message can be affected by（）.AclimateBsunshineChuman beingsDboth a and

2、The crankcase cover should never be al

The crankcase cover should never be allowed to open for investigation when （）Athe engine stopsBthe engine is runningCyou repair the engineDoverhauling the engine

3、Which of the following can be the best

Which of the following can be the best title of this text?A Why do I read?B How do I read?C What do I read?D When do I read?

4、The extent of the damage could not be（

The extent of the damage could not be（）though I inspected it with the Chief Stevedore in charge.AsureBcontainedCascertainedDapplied

5、Which port must be open on the HMC to

Which port must be open on the HMC to allow remoteweb access？（）A22B80C443D8080

6、Which of the following can NOT be used

Which of the following can NOT be used as a pre-reading task?APredicting what a passage is about.BCreating a word web related to a topic.CListening to the recording of a passage.DSharing what is already known about a topic.