What was the author's purpose when writing this passage
A. To give practical instruction for pruning a tree.
B. To give a gardener description of pruning.
C. To explain how trees develop disease.
D. To discuss different methods of prunin
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In developing the main point, the author makes use of ______.
A. scientific arguments
B. convincing testimony
C. common sense observations
D. analogy
Building costs ______ to six million dollars.
A. amount
B. arrived
C. reach
D. approach
强心苷中毒的停药指征是
A. 频发室性早博
B. 二联律
C. 窦性心动过缓
D. 视觉异常
E. 以上均是
People staged the strike against ______.
A. inflation
B. major domestic policy
C. pay and job cuts
D. employers' cruel exploitation
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