indoors（）

A．It may exceed human intelligence sooner or later．

B．It may ultimately over-amplify the human minD

C．Super-intelligence may cause its own destruction．

D．Super-intelligence may eventually ruin mankin

D．

Customer: The jeans look cool. May I try them on？ Salesman: Sure.______

A．What size, please？

B．It's 34 RMB, please.

C．Help yourself, please.

D．Cash or charge？

A.it was just as well

B.it may be as well

C.it might just as well

D.it might do as well

A．It’s Monday

B．It’s the first day of May

C．It’s windy today

D．Very nice

A.It’s January 1st

B.It’s October 1st

C.It’s May 1st

D. It’s August 1st

A．they are only being polite

B．it may be true

C．you can' t believe it

D．you will be real friends

A．It may slow down the flow of customers．

B．It may result in indigestion．

C．It may interrupt diners’ conversations．

D．It may spoil diners’ appetit

E．

A.It is required on all vessels

B.It may be located in a conspicuous place in the wheelhouse

C.It may be located at the bilge and ballast pump control station

D.All of the above

What is said about the failure of VSS Enterprise？

A.It may lead to the bankruptcy of Virgin Galactic.

B.It has a strong negative impact on space tourism.

C.It may discourage rich people from space travel.

D.It has aroused public attention to safety issues.

A．it helps bring "fresh blood" to the organization

B．it reaches a wider audience

C．it may avoid "political" of internal recruitment

Which one of the following statements doesn’t reflect the theme of the text？

A.Without some expression of risk, people may never know their limits.

B.It is by taking risks that one may achieve greatness.

C.It is by doing sport s that one may achieve greatness.

D.Without some expression of risk, people may never know who they are as individuals.