Why does the author mention an elderly mouse in paragraph 27
A. To describe the influence of aging on mice．
B. To illustrate the effect of meager food on mice．
C. To tell US how mice’s liver genes behave．
D. To inform. us of the process of metabolizing drugs．
查看答案
下列货物中，不得存人保税仓库的是：___________。
A．unthinkable B．impossible C．unimaginable D．reasonable
A. unthinkable
B. impossible
C. unimaginable
D. reasonable
A．computer-aidedB．computer-presentedC．computer-designed D．computer-developed
A. computer-aided
B. computer-presented
C. computer-designed
D. computer-developed
It can be inferred from the passage that the Treasury Department, after assuming
A. The training of the lighthouse keepers.
B. The sturdiness of the lighthouses.
C. The visibility of the lights.
D. The locations of the lighthouses.
微信支付 
支付宝支付