当戗堤可以作为土石坝的一部分时，最合适的改善龙口水力条件的措施是（)。A．双戗截流B．三戗截流C．宽

A.on

B.of

C.out

D.through

A．A.simulate

B．B.stimulate

C．C.signify

D．D.smuggle

Why does Sylvia decide not to share the secret of the white heron with the man？

A.Because she realizes that the white heron verges on extinction and it’s her responsibility to protect it.

B.Because the man is too assertive and aggressive to be trusted.

C.Because she realizes that the bird is an integral part of the nature, with which she shares a close bond.

D.Because the man does not return her affection.

A、show his/her sincerity and professionalism

B、recite the answers to the possible interview questions

C、decide whether he/she wants this job

D、avoid being nervous

etween a carnitine deficiency and a carnitine acyltransferase 2 deficiency as the possible cause. You order a blood test to specifically examine the levels of which one of the following？

A、Glucose

B、Ketone bodies

C、Insulin

D、Acyl-carnitine

E、Carnitine

A．Joan should first decide on the car she likes the most.

B．Joan should test drive a few cars first.

C．Joan shouldn't decide right now.

D．Joan should make a decision before test driving.

Now little has been done to

[A] decide a student's job

[B] test a student's ability .

[C] test a student's knowledge

[D] test a student's memory

A．Drive her to the test site.

B．Help her get ready for the road test.

C．Sell her a car.

D．Sell her ears.

Margie's bedroom was in a ______ , with books and papers covering every possible surface.

A．litter

B．disorder

C．rubbish

D．mess