SH Betty Reading last paragraph on p301
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SH Betty Reading last paragraph on p299
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SH Betty Reading last paragraph on p292
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SH Betty Science p186-189
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SH Betty Science p182-184
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SH Betty Reading last paragraph on p278
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SH Betty Reading last paragraph on p265
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SH Betty Science p178-179
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SH Betty Reading last paragraph on p260
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SH Betty Science p168-172
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