[单项选择]I have no doubt ______ most of the students can pass the exam.
[A] that [B] as [C] whether [D] although

[简答题]I have no doubt _______most of the students in our class can pass the final examination.

[单项选择]I have no doubt that if the students’ interest in the subject is aroused, they will （　） the challenge and commit more of their time and energy to their studies.
A. face up to
B. keep pace with
C. stand out against
D. fall back on

[单项选择]

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Today, most countries in the world have canals. Many countries have built canals near the coast, and parallel (26) the coast. Even in the twentieth century, goods can be moved more cheaply by boat than by any other (27) of transport. These (28) make it possible for boats to travel (29) ports along the coast without being (30) to the dangers of the open. Some canals, such as the Suez and the Panama, save ships weeks of time by making their (31) a thousand miles shorter. Other canals permit boats to reach cities that are not (32) on the coast, still other canals (33) lands where there is too much water, help to (34) fields where there is not enough water, and (35) water power for factories and mills. The size of a canal (36) on the kind of boats going through it. The canal must be wide enough to permit two of the largest boats using it to (37) each other e
A. lain 
B. stationed 
C. set 
D. located